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