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:
f = [4, 1, 3, 2, 0, 5]
x = int(input())
y = 0
for i in range(6):
    y += (x>>i&1) << f[i]
print(y)