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