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:
x = int(input())
y = bin(x)[2:]
y = (6 - len(y))*'0' + y
s = y[0] + y[5] + y[3] + y[2] + y[4] + y[1]
print(int(s, 2))