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

	
}