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:].zfill(6)
l = []
for i in [0, 5, 3, 2, 4, 1]:
    l.append(s[i])
print(int(''.join(l), 2))