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