Write a program which reverses a given string str.



Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Example

Input

w32nimda


Output

admin23w
#include <bits/stdc++.h>
using namespace std;

int main(){
  string S;
  cin >> S;

  for(int i=1; i<=S.length(); i++){
    cout << S[S.length()-i];
  }
  cout << endl;
}
  
