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:
x = bin(int(input()))[2:].zfill(6)

print(int(x[0] + x[5] + x[3] + x[2] + x[4] + x[1], 2))