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>
using namespace std;
int main(){
	string a;
	while(cin>>a){
		int n=a.size()-1;
		while(n>=0){
			cout<<a[n];
			n--;
		}
		cout<<endl;
	}
}