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