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:].rjust(6, "0")
t = (s[1:4] + s[5:6])[::-1]
print(int(s[0] + t[:3] + s[4] + t[3], 2))