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]
ans = 0
n = int(input())
cnt = 0
while n:
    if(n%2):
        ans += 2**p[cnt]
    cnt = cnt + 1
    n//=2
print(ans)