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())

r = [4, 1, 3, 2, 0, 5]

ans = 0
for i in range(6):
    if x & (1 << i):
        ans |= (1 << r[i])

print(ans)