A. Translation Solution

#include<stdio.h>

#include<string.h>

int main()

{

    char a[101],b[101];

    int i,j,flag=0;

    scanf("%s",a);

    scanf("%s",b);

    if (strlen(a) != strlen(b))

        flag=1;

    else {

        j=strlen(a);

        for (i=0;i<j;i++){

            if (a[i] != b[j-i-1]){

                flag=1;

                break;

            }

        }

    }

    if (flag==0)

        printf("YES\n");

    else

        printf("NO\n");

    return 0;

}