#include <stdio.h>
#include <string.h>
const int SIZE = 100;
int main( ) {
int n, i, isPlalindrome;
char str[SIZE];
scanf("%s", str);
n = strlen(str);
isPlalindrome = 1;
for (i = 0; i < n / 2; i++) {
if (str[i] != str[n - i - 1]) isPlalindrome = 0;
}
if (isPlalindrome)
printf("Yes\n");
else
printf("No\n");
return 0;
}
输入：abceecba
输出：_____1_____
