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