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:
a = bin(int(input()))[2:]
a = a.zfill(6)
b = "".join([a[0], a[5], a[3], a[2], a[4], a[1]])
print(int(b, 2))