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:
d = list("And after happily lived ever they".split())
n = bin(int(input()))[2:]
n = "0" * (6 - len(n)) + n
m = n[0] + n[5] + n[3] + n[2] + n[4] + n[1]
print(int('0b'+m, 2))