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>
using namespace std;
int main(){
  string s; cin >> s;
  for(int i = s.size() - 1; i >= 0; i--)
    cout << s[i];
  cout << endl;
}