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())
n=0
while 3*(2**n) <= x :
    n+=1
n-=1
n=3*(2**n)
if 35>x>12:
    y=2**(x-11)*(2023)
elif x==35:
    y=2**n*2023
else:
    y=2**x
print(y)