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