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())
a = [16, 2, 8, 4, 1, 32]
r = 0
i = 0
while n>0:
  b = n%2
  r += a[i]*b
  n = n//2
  i+=1
print(r)