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:
n = bin(int(input()))[2:]
n = '0000000' + n
x = list(map(int, list(n[-6:])))
res = [x[0], x[5], x[3], x[2], x[4], x[1]]
ans = 0
for i in range(6):
    ans += res[i] * (2 ** (5 - i))
print(ans)