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:
#!/usr/bin/python
import re
import inspect
from sys import argv, exit

def rstr():
    return input()

def rint():
    return int(input())

def rints(splitchar=' '):
    return [int(i) for i in input().split(splitchar)]

def varnames(obj, namespace=globals()):
    return [name for name in namespace if namespace[name] is obj]

def pvar(var, override=False):
    prnt(varnames(var), var)

def prnt(*args, override=False):
    if '-v' in argv or override:
        print(*args)

if __name__ == '__main__':
    n = rint()
    k = 2
    if n >= 13:
        n -= 13
        print(8092*(k**n))
        exit(0)
    print(k**n)