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
i = 0
lst = [4, 1, 3, 2, 0, 5]
while n > 0:
    ans += (n % 2) * 2 ** lst[i]
    i += 1
    n //=2
print(ans)