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:
n = int(input())

binar = bin(n).replace("0b", "")
l = 6 - len(binar)
strin = "0"*l
strin+=binar
zz  = [0,5,3,2,4,1]
p=""
for i in zz:
	p+= strin[i]

print(int(p,2))