diff --git a/test.c b/test.c
index 448888f..017951f 100644
--- a/test.c
+++ b/test.c
@@ -1,118 +1,837 @@
 #define _CRT_SECURE_NO_WARNINGS 1
 #include<stdio.h>
-#include<math.h>
 //int main()
 //{
-//	float a, b, c, derta, _2a, x1, x2;
-//	printf("请输入一元二次方程的参数(a，b，c)\n");
+//    int a = 8, b = 061, c = 0x31;
+//    float d = 3.5;
+//    char e = 'a';
+//    printf("%d\n", a);
+//    printf("%.1f\n", d);
+//    printf("%c\n", e);
+//    printf("%o\n", b);
+//    printf("%d\n", b);
+//    printf("%x\n", c);
+//    printf("153计算机3233陈旺\n");
+//    return 0;
+//}
+// 
+// 
+// 
+//int main()
+//{
+//	printf("%d\n", sizeof(int));
+//	printf("%d\n", sizeof(short));
+//	printf("%d\n", sizeof(long));
+//	printf("%d\n", sizeof(float));
+//	printf("%d\n", sizeof(double));
+//	printf("陈旺153");
+//	return 0;
+//}
+//int main()
+//{
+//	char _c = 'c';
+//    printf("%c\n", _c);
+//	printf("%d\n", _c);
+//	printf("%o\n", _c);
+//	printf("%x\n", _c);
+//	printf("153陈旺\n");
+//	return 0;
+//}
+// 
+// 
+// 
+//int main()
+//{
+//	int line = 0;
+//	printf("加入比特\n");
+//	while (line < 20000)
+//	{
+//		printf("写代码%d\n", line);
+//		line = line + 1; //或者可以用"line++;"
+//	}
+//	if (line >= 20000)
+//	{
+//		printf("好offer\n");
+//	}
+//	else
+//	{
+//		printf("继续加油\n");
+//	}
+//	return 0;
+//}
+
+
+//int main()
+//{
+//	char a, b;
+//	int c;
+//	a = 'x';
+//	b = '\171';
+//	c = 122;
+//	printf("%c %c %c\n%d %d %d\n", a, b, c, a, b, c);
+//	printf("计算机3233 陈旺154\n");
+//	return 0;
+//}
+
+
+//int main()
+//{
+//	printf("%c\n", 'n');
+//	printf("%c\n", '\156');
+//	printf("%c\n", '\x6e');
+//	return 0;
+//}
+
+
+//int main()
+//{
+//	int a = 1;
+//	int b = 2;
+//	printf("\'%d\'\n\t%d %d\n", a, a, b);
+//	a = 6 + 2;
+//	printf("\\\141=6+2=\t\b%d\n", a);
+//	return 0;
+//}
+
+
+//int main()
+//{
+//	int a = 'a';
+//	int b = 'B';
+//	int c, d;
+//	c = a - ('a' - 'A');
+//	d = b + 32;
+//	printf("%c--->%c\n%c--->%c\n", a, c, b, d);
+//	return 0;
+//}
+
+//
+//int main()
+//{
+//	printf("%d\n", sizeof("china\b\n\101\t\\"));
+//	printf("%d\n", strlen("china\b\n\101\t\\"));
+//	printf("%d\n", sizeof("china"));
+//	printf("%d\n", strlen("china"));
+//	printf("%d\n", sizeof("ch\0ina"));
+//	printf("%d\n", strlen("ch\0ina"));
+//	return 0;
+//}
+
+
+//int main()
+//{
+//	float x = 5;
+//	x += x -= x *= x;
+//	printf("x=%f", x);
+//	return 0;
+//}
+
+
+
+//c上机指导第二章练习：
+//1.
+//int main()
+//{
+//	char i1 = 'A', i2 = 'B';
+//	printf("%d,%d\n", i1, i2);
+//	printf("%c,%c\n", i1, i2);
+//	return 0;
+//}
+
+//2.
+//(1)
+//int main()
+//{
+//	char c1 = 'a', c2 = 'b', c3 = 'c', c4 = '\101', c5 = '\x42';
+//	printf("\"%c\",b=%c\tabc=%d\n", c1, c2, c3);
+//	printf("\t\b%c %c\n", c4,c5);
+//	return 0;
+//}
+//(2)
+//int main()
+//{
+//	int i = 3, j = 5, m = 0, n = 0;
+//	m += i++;
+//	n -= --j;
+//	printf("i=%d,j=%d,m=%d,n=%d\n",i,j,m,n);
+//	return 0;
+//}
+//3.
+//(1)
+//int main()
+//{
+//	char c = 'A';
+//	int a = 2, b;
+//	float x = 3.5f, y = 3.2f, z;
+//	z = (x + 1) / 3 + (int)x / a;
+//	b = x + c % 3 * (int)(x + y) % 5 / 3;
+//	printf("%d,%f\n", b, z);
+//	return 0;
+//}
+//(2)
+//int main()
+//{
+//	int a = 7,x;
+//	printf("%d\n", a % 2 + (a + 1) % 2);
+//	printf("%d\n", ((a = 4 * 5, a * 2), a + 6));
+//	printf("%d\n", x = (a = 4, 6 * 2));
+//	printf("%d\n", (x = a = 4, 6 * 2));
+//	printf("%d\n", x = a %= (a /= 2));
+//	printf("%d\n",a+ a % 3 * (int)(2.3 * a)%5/4);
+//	return 0;
+//}
+//int main()
+//{
+//	float x = 0.5;
+//	/*x = x * 10 + 0.5 / 10.0;
+//	printf("%f\n", x);*///5.05
+//	/*x = (x * 10 + 0.5) / 10.0;
+//    printf("%f\n", x*///0.55
+//	/*x = (x / 10 + 0.5) / 10.0;
+//	printf("%f\n", x);*///0.055
+//	/*x = (int)(x * 10 + 0.5) / 10.0;
+//	printf("%f\n", x);*///0.5
+//	return 0;
+//}
+//int main()
+//{
+//	int a = 13, b = 19;
+//	printf("a=%d b=%d\n", a, b);
+//	a = a + b, b = a - b, a = a - b;
+//	printf("a=%d,b=%d\n", a, b);
+//	return 0;
+//}
+
+//int main()
+//{
+//	int a=3, b=478, c=-56;
+//	long int u=51274, n=123456;
+//	float x=67.5678, y=2.4, z=-189.134;
+//	char c1='a', c2;
+//	printf("\n");
+//	printf("a=%2d b=%2d c=%2d\n", a, b, c);
+//	printf("x=%8.6f,y=%8.6f,z=%9.6f\n", x, y, z);
+//	printf("x+y=%5.2f,y+z=%5.2f,z+x=%5.2f\n", x + y, y + z, z + x);
+//	printf("x=%-10f,y=%4f,z=%3f\n", x, y, z);
+//	printf("x=%e,y=%10.2e\n", x, y);
+//	printf("u=%6ld,n=%x\n", u, n);
+//	printf("c1=%c c1=%d\n", c1, c1);
+//	printf("%s,%5.3s\n", "COMPUTER", "COMPUTER");
+//	return 0;
+//}
+
+//int main()
+//{
+//	int a, b;
+//	scanf("%d,%d", &a, &b);
+//	if (a > b)
+//	{
+//		printf("较大的数是%d", a);
+//	}
+//	else
+//	{
+//		printf("较大的数是%d", b);
+//	}
+//	return 0;
+//}
+
+//int add(int x, int y)
+//{
+//	int z = x + y;
+//	return z;
+//}
+//
+//int main()
+//{
+//	int a, b;
+//	scanf("%d,%d", &a, &b);
+//	int c = add(a, b);
+//	printf("它们的和是%d\n", c);
+//	return 0;
+//}
+
+//int max(int x, int y)
+//{
+//	if (x > y)
+//	{
+//		return x;
+//	}
+//	else
+//	{
+//		return y;
+//	}
+//}
+//int main()
+//{
+//	int a, b;
+//	scanf("%d,%d", &a, &b);
+//	int c = max(a, b);
+//	printf("较大的数是%d\n", c);
+//	return 0;
+//}
+//int main()
+//{
+//	int a = printf("Hello world!\n");//printf函数的返回值为格式控制字符串的长度，注意：包括转义字符，如\n
+//	printf("%d\n", a);
+//	return 0;
+//}
+//int main()
+//{
+//    printf("\073,\032,\99,\97,\110,\32,\100,\111,\032,\105,\116,\33");
+//    return 0;
+//}
+//int main()
+//{
+//    int a = 0;
+//    int b = 0;
+//    int c = 0;
+//    scanf("%4d%2d%2d", &a, &b, &c);
+//    printf("year=%d\n", a);
+//    printf("mouth=%02d\n", b);
+//    printf("date=%2d\n", c);
+//    return 0;
+//}
+//int main()
+//{
+//	int x = 1, y = 2;
+//	printf("%d\n", (x > y) && (--x > 0));
+//	printf("x=%d\n", x);
+//	return 0;
+//}
+//int main()
+//{
+//	int x = 0, y = 0;
+//	printf("输入x\n");
+//	scanf("%d", &x);
+//	if (x > 15)
+//		y = x - 5;
+//	else if (x > 0 && x <= 15)
+//		y = 5 + 2*x;
+//	else
+//		y = 0;
+//	printf("对应的y=%d\n", y);
+//	return 0;
+//}
+//int main()
+//{
+//	double a = 67.5678;
+//	printf("%-10f\n", a);
+//	return 0;
+//} 
+//int main()
+//{
+//	int a, b, c, d, e;
+//	printf("Please input five numbers\n");
+//	scanf("%d,%d,%d,%d,%d", &a, &b, &c, &d, &e);
+//	if (a < b)
+//	{
+//		a = a + b;
+//		b = a - b;
+//		a = a - b;
+//	}
+//	if (a < c)
+//	{
+//		a = a + c;
+//		c = a - c;
+//		a = a - c;
+//	}
+//	if (b < c)
+//	{
+//		b = b + c;
+//		c = b - c;
+//		b = b - c;
+//	}
+//	if (a < d)
+//	{
+//		a = a + d;
+//		d = a - d;
+//		a = a - d;
+//	}
+//	if (b < d)
+//	{
+//		b = b + d;
+//		d = b - d;
+//		b = b - d;
+//	}
+//	if (c < d)
+//	{
+//		c = c + d;
+//		d = c - d;
+//		c = c - d;
+//	}
+//	if (a < e)
+//	{
+//		a = a + e;
+//		e = a - e;
+//		a = a - e;
+//	}
+//	if (b < e)
+//	{
+//		b = b + e;
+//		e = b - e;
+//		b = b - e;
+//	}
+//	if (c < e)
+//	{
+//		c = c + e;
+//		e = c - e;
+//		c = c - e;
+//	}
+//	if (d < e)
+//	{
+//		d = d + e;
+//		e = d - e;
+//		d = d - e;
+//	}
+//	//最终结果使得a>b>c>d>e
+//	printf("这五个数从小到大排序为%d %d %d %d %d\n", e, d, c, b, a);
+//	return 0;
+//}
+
+//int main()
+//{
+//	int b = 0;
+//	float a = 0;
+//	a = -4.4;
+//	b = (int)a;
+//	printf("%d\n", b);
+//	return 0;
+//}
+
+//int main()
+//{
+//	int a, b;
 //	n:
-//	scanf("%f,%f,%f", &a, &b, &c);
-//	if (a == 0)
+//	scanf("%d", &a);
+//	if (a >= 10000 || a <= 0)
 //	{
-//		printf("input date error! please try again.\n");
+//		printf("data error!\n");
 //		goto n;
-//	} 
+//	}
+//	else if (a >= 1000)
+//		b = (a / 1000 + 2) % 10 * 1000 + (a % 1000 / 100 + 2) % 10 * 100 + (a % 100 / 10 + 2) % 10 * 10 + (a % 10 + 2) % 10;
+//	else if (a >= 100)
+//		b = (a / 100 + 2) % 10 * 100 + (a % 100 / 10 + 2) % 10 * 10 + (a % 10 + 2) % 10;
+//	else if (a >= 10)
+//		b = (a / 10 + 2) % 10 * 10 + (a % 10 + 2) % 10;
 //	else
+//		b = (a + 2) % 10;
+//	printf("加密后为%d\n", b);
+//	return 0;
+//}
+
+//int main()
+//{
+//	char _char;
+//	_char = getchar();
+//	_char = (_char >= 'A' && _char <= 'Z') ? _char + 32 : _char;
+//	printf("%c\n", _char);
+//	return 0;
+//}
+
+//int main()
+//{
+//	float a = 0, b = 0, s = 0;
+//	char c;
+//	printf("please input expression:a+(-,*,/)b\n");
+//	scanf("%f%c%f", &a, &c, &b);
+//	switch (c)
+//	{
+//	    case '+':s = a + b; break;
+//		case '-':s = a - b; break;
+//		case '*':s = a * b; break;
+//		case '/':s = a / b; break;
+//	}
+//	printf("%.2f%c%.2f=%.2f\n", a, c, b, s);
+//	return 0;
+//}
+
+//int main()
+//{
+//	int num = 1, count = 0;
+//	float data = 0;
+//    n:
+//	printf("please input data%d\n", num);
+//	scanf("%f", &data);
+//	if (data < 0)
+//		count++;
+//	num++;
+//	if(num<=5)
+//		goto n;
+//	printf("count=%d\n", count);
+//	return 0;
+//}
+
+//int main()
+//{
+//	int a = 0, b = 0, c = 0;
+//	printf("please input data(a,b,c)\n");
+//	scanf("%d,%d,%d", &a, &b, &c);
+//	if (a < b)
+//	{
+//		a = a + b;
+//		b = a - b;
+//		a = a - b;
+//	}
+//	if (a < c)
+//	{
+//		a = a + c;
+//		c = a - c;
+//		a = a - c;
+//	}
+//	if (b < c)
+//	{
+//		b = b + c;
+//		c = b - c;
+//		b = b - c;
+//	}
+//	printf("从大到小依次为%d,%d,%d\n", a, b, c);
+//	return 0;
+//}
+
+//int main()
+//{
+//	int a = 0, b = 0;
+//	a = b ? (a=a+1) : a + 2;
+//	printf("%d\n", a);
+//	return 0;
+//}
+
+//一百以内偶数的和
+//int main()
+//{
+//	int sum = 0, i = 0;
+//	scanf("%d", &i);
+//	do
 //	{
-//		derta = b * b - 4 * a * c;
-//		_2a = 2 * a;
-//		x1 = -b / _2a;
-//		printf("derta=%.2f,2a=%.2f,x1=%.2f\n",derta,_2a,x1);//用于调试而额外加入的内容
-//		if (derta > 0)
+//		sum += i;
+//		i += 2;
+//	} while (i <= 100);
+//	printf("%d\n", sum);
+//	return 0;
+//}
+
+//int main()
+//{
+//	for (int i = 1; i <= 3; i++)
+//	{
+//		printf("%d\n", i);
+//	}
+//	return 0;
+//}
+
+//int main()//自定义边长的正方形
+//{
+//	int a;
+//	printf("输入边长\n");
+//	scanf("%d", &a);
+//	for (int j = 1; j <= a; j++)
+//	{
+//		for (int i = 1; i <= a; i++)
 //		{
-//			x2 = sqrt(derta) / _2a;
-//			printf("root1=%.2f,root2=%.2f\n", x1 + x2, x1 - x2);
+//			printf("* ");
 //		}
-//		else if (derta == 0)
-//			printf("root1=root2=%.2f\n", x1);
-//		else
+//		printf("\n");
+//	}
+//	return 0;
+//}
+
+
+//int main()
+//{
+//	int i;
+//	for (i = 100; i <= 200; i++)
+//		if (i % 16 == 0)
+//			break;
+//	printf("%d\n",i);
+//	return 0;
+//}
+
+//int main()
+//{
+//	printf("%d\n", sizeof(int*));
+//	printf("%d\n", sizeof(short*));
+//	printf("%d\n", sizeof(float*));
+//	return 0;
+//}
+
+
+//int main()
+//{
+//	int i, n;
+//	for (n = 3; n <= 100; n++)
+//	{
+//		for (i = 2; i < n; i++)
+//			if (n % i == 0)
+//				goto there;
+//		printf("%d ", n);
+//	    there:if (0);
+//	}
+//	return 0;
+//能求出3-100之间的素数
+
+//int main()
+//{
+//	int i, n;
+//	for (n = 3; n <= 100; n++)
+//	{
+//		for (i = 2; i < n; i++)
 //		{
-//			x2 = sqrt(-derta) / _2a;
-//			printf("实数域无解，复数根为:\nroot1=%.2f+%.2fi,root2=%.2f-%.2fi\n",x1,x2,x1,x2);
+//			if (n % i == 0)
+//				break;
 //		}
+//		if (n==i)
+//		    printf("%d ", n);
 //	}
 //	return 0;
+//}//改进之后`
+
+//int main()
+//{
+//	int x = 0, y = 0, z = 0;
+//	for (x = 0; x <= 33; x++)
+//		for (y = 0; y < 50; y++)
+//			for (z = 0; z < 100; z += 2)
+//				if (x + y + z == 100 && 3 * x + 2 * y + z / 2 == 100)
+//					printf("x=%2d,y=%2d,z=%2d\n", x, y, z);
+//	return 0;
+//}//三种马驼瓦
+
+//int main()
+//{
+//	int num = 1, i = 0;
+//	for (i = 0; i < 9; i++)
+//		num = 2 * (num + 1);
+//	printf("第一天的马匹数为%d\n", num);
+//	return 0;
+//}//猴子吃桃
+//#include<math.h>
+//int main()
+//{
+//	double a = 0, x0 = 0, x1 = 0;
+//	printf("please input data\n");
+//	scanf("%lf", &a);
+//	x0 = a / 2.0;
+//	x1 = (x0 + a / x0) / 2;
+//	do {
+//		x0 = x1;
+//		x1 = (x0 + a / x0) / 2;
+//	} while (fabs(x1 - x0) >= 1e-6);
+//	printf("%.3f的平方根是%.3f\n", a, x1);
+//	return 0;
+//}
+//int main()
+//{
+//	int s, i;
+//	for (s = 0, i = 1; i < 3; i++, s += i);
+//	printf("%d\n", s);
+//  return 0;
+//}
+
+//int main()
+//{
+//	int arr[3] = { '1','\0','2' };
+//	printf("%c%c%c\n", arr[0], arr[1], arr[2]);
+//	return 0;
 //}
 
 //int main()
 //{
-//	int x = 0, i = 1, sum = 0;
-//	double aver;
-//	while (i <= 10)
+//	int x = 0, max = 0, min = 0, T = 0;
+//	for (;;)
 //	{
-//	n:
+//		printf("please input data:\n");
 //		scanf("%d", &x);
-//		if (x >= 50)
-//		{
-//			printf("data error\n");
-//			goto n;
-//		}
-//		sum += x;
-//		i++;
+//		if (0 == x)
+//			break;
+//		if (x >= max)
+//			max = x;
+//		else if (x >= min && x < max);
+//		else
+//			min = x;
 //	}
-//	aver = sum / 10.0;
-//	printf("aver=%.2f\n", aver);
+//	printf("max=%d,min=%d\n", max, min);
 //	return 0;
 //}
 
 //int main()
 //{
-//	int i = 1, a;
-//	char c;
-//	while (i <= 5)
+//	int a = 0, b = 0, c = 0, d = 0;
+//	char ch;
+//	while ((ch = getchar()) != '\n')
 //	{
-//		scanf("%d", &a);
-//		switch (a / 10)
-//		{
-//		    case 10:
-//			case 9:c = 'A'; break;
-//			case 8:
-//			case 7:c = 'B'; break;
-//			case 6:c = 'C'; break;
-//			default:c = 'D'; break;
-//		}
-//		printf("Gread is %c\n", c);
-//		i++;
+//		if (ch >= 'A' && ch <= 'Z' || ch >= 'a' && ch <= 'z')
+//			a++;
+//		else if (32 == ch)
+//			b++;
+//		else if (ch >= '0' && ch <= '9')
+//			c++;
+//		else
+//			d++;
 //	}
+//	printf("字母数")
+//	return 0;
+//
+//}
+
+//int main()
+//{
+//	int i = 0;
+//	char arr[5] = { 0 };
+//	for (i = 0; i < 5; i++)
+//		scanf("%c", &arr[i]);
+//	for (i = 0; i < 5; i++)
+//		printf("%c", arr[i]);
+//
+//	return 0;
+//}
+
+//int main()
+//{
+//	char b[8], c[] = "BASIC\ndBASE";
+//	scanf("%s", b);
+//	printf("%s\n", b);
+//	printf("%s\n", c);
+//	printf("%s\n", &c[2]);
+//
 //	return 0;
 //}
 
 //int main()
 //{
-//	int num = 1;
-//	while (num <= 100)
+//	int i = 0, num = 0;
+//	char str1[80] = { 0 }, str2[80] = { 0 };
+//	printf("please input string str1:\n");
+//	gets(str1);
+//	for (i = 0; str1[i] != '\0'; i++)
 //	{
-//		if (num % 2 == 1)
-//			printf("%d ", num);
 //		num++;
+//		str2[i] = str1[i];
 //	}
+//	str2[i] = '\0';
+//	printf("num=%d\n", num);
+//	puts(str2);
+//
 //	return 0;
 //}
 
 //int main()
 //{
-//	double pi = 3.1415926;
-//	float r = 0.0;
-//	scanf("%f",&r);
-//	double v = (4.0 / 3) * pi * (r * r * r); 
-//	printf("% .3f\n",v);
+//	int sum = 0, i = 0, arr[10] = { 0 };
+//	float ave = 0.0f;
+//	for (i = 0; i < 10; i++)
+//	{
+//		scanf("%d", &arr[i]);
+//		if (arr[i] >= 50)
+//		{
+//			printf("please input again\n");
+//			continue;
+//		}
+//		sum += arr[i];
+//	}
+//	ave = sum / 10.0;
+//	printf("ave=%.3f\n", ave);
+//	return 0;//求10个50以内数的平均值
+//}
+
+
+//int main()
+//{
+//	int a = 0, b = 0, c = 0, d = 0;
+//	for (a = 2, b = 1; a >= 1, b <= 5; a--, b += 2)
+//	{
+//		for (c = 1; c <= a; c++)
+//			printf(" ");
+//		for (d = 1; d <= b; d++)
+//			printf("*");
+//		printf("\n");
+//	}
+//	for (a = 1, b = 3; a <= 2, b >= 1; a++, b -= 2)
+//	{
+//		for (c = 1; c <= a; c++)
+//			printf(" ");
+//		for (d = 1; d <= b; d++)
+//			printf("*");
+//		printf("\n");
+//	}
+//	return 0;
+//}//打印实心菱形
+
+
+//int main()
+//{
+//	int ret = 1, n = 0, i = 0;
+//	scanf("%d", &n);
+//	for(i=1;i<=n;i++)
+//	    ret *= i;
+//	printf("%d!=%d\n",n, ret);
+//	return 0;
+//}//n的阶乘
+//
+
+//int main()
+//{
+//	int ret = 0, i = 0, n = 0, sum = 0;
+//	for (n = 1; n <= 10; n++)
+//	{
+//		ret = 1;
+//		for (i = 1; i <= n; i++)
+//			ret *= i;
+//		sum += ret;
+//	}
+//	printf("sum=%d\n", sum);
+//
+//	return 0;
+//}//1到10的阶乘之和
+
+//二分查找（折半查找）--只能用于有序数列。
+//int main()
+//{
+//	int arr[] = { 1,2,3,4,5,6,7,8,9,10 };
+//	printf("请输入要找的数：\n");
+//	int key = 0;
+//	scanf("%d", &key);
+//	int left = 0;
+//	int right = sizeof(arr) / sizeof(arr[0]) - 1;
+//	while (left <= right)
+//	{
+//		int mid = left + (right - left) / 2;
+//		if (arr[mid] > key)
+//		{
+//			right = mid - 1;
+//		}
+//		else if (arr[mid] < key)
+//		{
+//			left = mid + 1;
+//		}
+//		else
+//		{
+//			printf("找到了，下标是：%d\n", mid);
+//			break;
+//		}
+//	}
+//	if (left > right)
+//		printf("找不到，没有这个数\n");
+//
 //	return 0;
 //}
 
 
+//先写一个简单的单行字符靠拢动画
 int main()
 {
-	int n = 2;
-	switch (1)
+	char arr1[] = "welcome to the game";
+	char arr2[] = "###################";
+	int left = 0;
+	int right = sizeof(arr1) / sizeof(arr1[0]) - 2;
+	printf("%s\n",arr2);
+	while (left <= right)
 	{
-	case (1):
-		printf("1\n");
-		break;
-	case 2:
-		printf("2\n");
-		break;
-	default:
-		printf("3\n");
+		arr2[left] = arr1[left];
+		arr2[right] = arr1[right];
+		printf("%s\n", arr2);
+		left++;
+		right--;
 	}
 	return 0;
 }
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