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<cstring>
using namespace std;
int main(){
string s;
cin>>s;
for(int i=s.size()-1;i>=0;i--)cout<<s[i];
cout<<endl;
return 0;
}