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