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

int main(){
	string s;
	cin>>s;
	for(int i=s.length()-1;i>=0;i--) cout<<s[i];
	cout<<endl;
	return 0;
}