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:
to_go = [4, 1, 3, 2, 0, 5]
n = int(input())
old = ""
for i in range(6):
    old += str(n % 2)
    n //= 2
old = list(old)

new = [0] * 6
for i in range(6):
    new[to_go[i]] = old[i]
new = reversed(new)
res = int("".join(new), 2)
print(res)