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:
order = [0,5,3,2,4,1]

orig = bin(int(input()))[2:].zfill(6)

new = ''.join([orig[i] for i in order])
print(int(new,base=2))