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