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:
perm = [5, 0, 2, 3, 1, 4]
n = int(input())
ans = 0
for i in range(len(perm)):
	ans = ans * 2 + ((n >> perm[i]) & 1)

print(ans)