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:
def solve(n):
    s = bin(n)[2:]
    a = s.zfill(6)
    return int(a[0]+a[5]+a[3]+a[2]+a[4]+a[1], 2)

n = int(input())
ans = solve(n)
print(ans)