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(void){
  string buf;
  cin>>buf;
  for(int i = buf.size()-1; i >= 0 ; i --)
    cout<<buf[i];
  cout<<endl;
}