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(){
  char str[20];
  cin>>str;
  for(int i=20;i>0;i--)
    cout<<str[i-1];
  cout<<endl;
  return 0;
}