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 str;
	while(cin>>str){
		for(int i=str.length()-1;i>=0;i--)
			cout<<str[i];
		puts("");
	}
}