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())
b = f'{n:b}'

while len(b)<6:
    b = "0" + b

s = b[0]+b[5]+b[3]+b[2]+b[4]+b[1]

print(int(s,2))