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())
t = []
ar = [4,1,3,2,0,5]
for i in range(6):
    t.append(n%2)
    n //= 2
r = 0
for i in range(len(ar)):
    r += t[i]*2**(ar[i])
print(r)