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;
typedef long long int LL;
int main(){
	string s;
	cin>>s;
	reverse(s.begin(),s.end());
	cout<<s<<endl;
}