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 s;

  cin>>s;
  for(int i=s.length()-1;0<=i;i--)cout<<s[i];
  cout<<endl;
  
  return 0;
}