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
//41
#include<iostream>
#include<string>
#include<algorithm>

using namespace std;

int main(){
  string s;
  cin>>s;
  reverse(s.begin(),s.end());
  cout<<s<<endl;
  return 0;
}