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>
#define all(v) v.begin(),v.end()
using namespace std;
int main(){
  string a;
  cin>>a;
  reverse(all(a));
  cout<<a<<endl;
}