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:
p = [4, 1, 3, 2, 0, 5]

n = int(input())
a = 0
for i in range(6):
    if ((n>>i)&1) == 1:
        a |= (1<<p[i])
print(a)