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<iostream>
#include<string>
using namespace std;

int main(){

  string str;

  cin >> str;

  for(int i=str.size()-1;i>=0;i--) cout << str[i];

  cout << endl;

}