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