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=int(input())
if x>12:
    y=2**(x-11)*(2023)
else:
    y=2**x
print(y)