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 (Clang 3.8.0) (judge verdict: Wrong Answer)

#include <stdio.h>
int main(){
  //int c11,c12,c13,c21,c22,c23;
  char c1[2];
   scanf("%c", c1);  
    char c2[2];
       scanf("%c", c2);
         char c3[2];
   scanf("%c", c3);
     char cc[2];
     scanf("%c", cc);
    char c4[2];
       scanf("%c", c4);
         char c5[2];
   scanf("%c", c5);  
    char c6[2];
       scanf("%c", c6);  



       if(c1[0]==c6[0]&&c2[0]==c5[0]&&c3[0]==c4[0]){
	 printf("YES\n");
       }else{
	 printf("N0\n");
       }
}