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:
n = int(input())
n = '{0:06b}'.format(n)
n = list(n)
aux1 = n[2]
aux2 = n[1]
n[2] = n[3]
n[3] = aux1
n[1] = n[5]
n[5] = aux2
print(int(''.join(n), 2))