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:
number = int(input())
replacement = [16, 2, 8, 4, 1, 32]
result = 0
for k in range(6):
    if number % 2 == 1:
        result += replacement[k]
        number -= 1
    number /= 2
print(result)