#include <stdio.h>
int main()
{
    int n=100,du,temp=0,k;
    while (n<=100)
    {
        printf("Vui long nhap n:");
        scanf("%d",&n);
        k=n;
    }
    while (n!=0)
    {
        du=n%10;
        temp =temp*10+du;
        n=n/10;
    }  
        if (temp==k)
       printf("YES");
       else 
       printf("NO");
   
   return 1;
}