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 = [ch for ch in "{0:06b}".format(int(input()))]
a[1], a[5], a[2], a[3] = a[5], a[1], a[3], a[2]
print(int(''.join(a), 2))