Problem:
Score : 100 points

Problem Statement

You are given a grid with 2 rows and 3 columns of squares.
The color of the square at the i-th row and j-th column is represented by the character C_{ij}.

Write a program that prints YES if this grid remains the same when rotated 180 degrees, and prints NO otherwise.

Constraints

C_{i,j}(1 \leq i \leq 2, 1 \leq j \leq 3) is a lowercase English letter.

Input

Input is given from Standard Input in the following format:

C_{11}C_{12}C_{13}
C_{21}C_{22}C_{23}

Output

Print YES if this grid remains the same when rotated 180 degrees; print NO otherwise.

Sample Input 1

pot
top

Sample Output 1

YES

This grid remains the same when rotated 180 degrees.

Sample Input 2

tab
bet

Sample Output 2

NO

This grid does not remain the same when rotated 180 degrees.

Sample Input 3

eye
eel

Sample Output 3

NO

Solution in C++14 (GCC 5.4.1) (judge verdict: Accepted)

#include <iostream>
#include<string>
using namespace std;
int main(int argc, const char * argv[]) {
    char c[3],d[3];
    for(int i=0;i<3;i++){
        cin >>c[i];
    }
    for(int i=0;i<3;i++){
        cin >>d[i];
    }
    for(int i=0;i<3;i++){
        if(i==0&&c[i]==d[2]){
            continue;
        }
        else if(i==0){
            cout<<"NO"<<endl;
            break;
        }
        if(i==1&&c[i]==d[1]){
            continue;
        }
        else if(i==1){
            cout<<"NO"<<endl;
            break;
        }
        if(i==2&&c[i]==d[0]){
            cout<<"YES"<<endl;
            break;
        }
        else{
            cout<<"NO"<<endl;
            break;
        }
    }
    return 0;
}