判断回文数

#include <stdio.h>
int main()
{
	int m,val;
	int sum = 0;
	scanf("%d", &val);
	m = val;
	while (m)
	{
		sum = sum * 10 + m % 10;
		m /= 10;
	}
	if (sum == val)
		printf("Yes\n");
	else
		printf("No\n");
	return 0;

}