[t101] Check Palindrome (Easy)

#include <stdio.h>
#include <string.h>

int main()
{
    char A[100010];
    scanf("%s", A);
    int n = strlen(A);
    int ok = 1;
    for (int i = 0; i < n; ++i) {
        if (A[i] != A[n-i-1]) {
            ok = 0;
            break;
        }
    }
    printf("%s\n", ok ? "YES" : "NO");

    return 0;
}