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:
x = [4, 1, 3, 2, 0, 5]
n = (bin(int(input()))[2:][::-1] + '000000')[:6]
y = [0] * 6
for i in range(6):
    y[x[i]] = n[i]
print(int(''.join(y)[::-1], 2))