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<cstring>
using namespace std;
int main(){
  char c[20];
  while(cin>>c);
  for(int i=strlen(c)-1;i>=0;i--) cout << c[i];
  cout << endl;
  return 0;
}