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<algorithm>
int main(){char c[21];std::cin>>c;std::string d(c);std::reverse(d.begin(),d.end());std::cout<<d.c_str()<<'\n';}