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