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 a, b;
  cin >> a;
  for (int i = a.size(); i > 0; i--)b+=a[i-1];
  cout<<b<<endl;
  return 0;
}