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 = "%06s" % str(bin(int(input()))[2:])
s = s.replace(" ", "0")
x = "".join([s[0], s[5], s[3], s[2], s[4], s[1]])
print(int("0b" + x, 2))