Problem:
Score : 100 points

Problem Statement

You are given a three-digit positive integer N.

Determine whether N is a palindromic number.

Here, a palindromic number is an integer that reads the same backward as forward in decimal notation.

Constraints

100≤N≤999

N is an integer.

Input

Input is given from Standard Input in the following format:

N

Output

If N is a palindromic number, print Yes; otherwise, print No.

Sample Input 1

575

Sample Output 1

Yes

N=575 is also 575 when read backward, so it is a palindromic number. You should print Yes.

Sample Input 2

123

Sample Output 2

No

N=123 becomes 321 when read backward, so it is not a palindromic number. You should print No.

Sample Input 3

812

Sample Output 3

No

Solution in C (GCC 5.4.1) (judge verdict: Time Limit Exceeded)

#include<string.h>
#include<math.h>
int main()
{
    int n,a,b,c;
    while(scanf("%d",&n))
        {
            if(n<100&&n>999)
            break;
            a=n/100;
            b=(n%100)/10;
            c=n%10;
            if(a==c)
                printf("Yes\n");
            else
                printf("No\n");

        }

}