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 PYTHON):

Solution:
a = int(input())
t = []
for i in range(6):
    t.append(a % 2)
    a = a//2

s  = [4, 1, 3, 2, 0, 5]

b = 0
for i in range(6):
    b += t[i]*2**(s[i])
print(b)