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:
a = bin(int(input()))[2:]
a = '0' * (6 - len(a)) + a
print(int(f'{a[0]}{a[5]}{a[3]}{a[2]}{a[4]}{a[1]}', 2))