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;

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