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:
#!/usr/bin/env python3

a = int(input())
a = list(format(a, '#08b')[2:])
map = [0, 5, 3, 2, 4, 1]
a = [a[map[i]] for i in range(6)]
a = ''.join(a)
print(int(a, 2))