#include <stdio.h> int main() { int a,b,c,tmp; while(scanf("%d",&a)==1) { b = 0; c = a; while(a) { tmp = a % 10; a /= 10; b = b * 10 + tmp; } if(b == c) { printf("yes\n"); } else { printf("no\n"); } } printf("faild"); return 0; }