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>

using namespace std;
int main(){
string str;
cin>>str;

for(int i=str.size();i--;){
    cout<<str[i];
}
cout<<endl;
}