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:
a =["Washington","Adams","Jefferson","Madison","Monroe","Adams", "Jackson","Van Buren","Harrison","Tyler", "Polk","Taylor","Fillmore", "Pierce","Buchanan","Lincoln", "Johnson", "Grant", "Hayes","Garfield","Arthur", "Cleveland","Harrison","Cleveland", "McKinley", "Roosevelt","Taft","Wilson", "Harding","Coolidge","Hoover","Roosevelt", "Truman", "Eisenhower","Kennedy", "Johnson", "Nixon", "Ford", "Carter", "Reagan","Bush","Clinton", "Bush", "Obama"]
num = int(input())
print(a[num-1])