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;
#include<string>

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