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 = int(input())
print((n & 32)+((n & 1) << 4)+((n & 4) << 1) +
      ((n & 8) >> 1)+(n & 2)+((n & 16) >> 4))