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<algorithm>
#include<iostream>
int main(void){
std::string s;
std::cin>>s;
std::reverse(s.begin(),s.end());
std::cout<<s<<std::endl;
return 0;
}