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())
ls = [bool(n & (1 << i)) for i in range(6)]
p = [16, 2, 8, 4, 1, 32]
print(sum((a * b for a, b in zip(ls, p))))