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:
s = bin(int(input()))[2:]
s = '0' * (7 - len(s)) + s
res = list('0' * 7)

a = [0, 1, 6, 4, 3, 5, 2]
for i in range(7):
    res[i] = s[a[i]]

print(int(''.join(res), 2))