Problem: 

Input

The input contains a single integer a (0 ≤ a ≤ 35).

Output

Output a single integer.

Examples

Input

3


Output

8


Input

10


Output

1024

Solution (in CPP):

Solution:
#include <bits/stdc++.h>
using namespace std;
int main() {
  int a;
  cin >> a;
  int u[6];
  for (int i = 0; i < 6; ++i) u[5 - i] = (a >> i) & 1;
  int c[] = {0, 5, 3, 2, 4, 1};
  int v = 0;
  for (auto x : c) v = v * 2 + u[x];
  cout << v;
}