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:
a=input()
p=bin(a)[2:]
p='0'*(6-len(p))+p
q='0b'+p[0]+p[5]+p[3]+p[2]+p[4]+p[1]
print int(q,2)