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 PYTHON3):

Solution:
n = int(input())
ans = 0
ans += (2 ** 5) * (n >> 5 & 1)
ans += (2 ** 4) * (n & 1)
ans += (2 ** 3) * (n >> 2 & 1)
ans += (2 ** 2) * (n >> 3 & 1)
ans += (2 ** 1) * (n >> 1 & 1)
ans += (n >> 4 & 1)
print(ans)