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 PYTHON):

Solution:
#Codeforces
#Print number president last name

presidents=("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")


number=int(input())

#find the president from number
print(presidents[number-1])