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:
n = bin(int(input()))[2:].rjust(6, "0")
print(int(n[0] + n[5] + n[3] + n[2] + n[4] + n[1], 2))