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:
#!/usr/bin/python

import sys
from math import *

def Nil(): return map(int, sys.stdin.readline().split())

a = Nil()[0]

print [1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, \
8092, 16184, 32368, 64736, 129472, 258944, 517888, 1035776, 2071552, 4143104, \
8286208, 16572416, 33144832, 66289664, 132579328, 265158656, 530317312, 1060634624, 2121269248, \
4242538496, 8485076992, 16970153984, 33940307968][a]