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
//0006
#include <bits/stdc++.h>
using namespace std;

int main(){
	string str;
	cin>>str;

	reverse(str.begin(),str.end());
	cout<<str<<endl;

	return 0;
}