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>

int main(){
	std::string str;
	std::cin>>str;
	for(int i=str.size()-1;i>=0;i--)std::cout<<str[i];
	std::cout<<std::endl;
	return 0;
}