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>
#include<algorithm>
using namespace std;
string S;
int main(){
	cin>>S;
	reverse(S.begin(),S.end());
	cout<<S<<endl;
}