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:
a = int(input())
b = 0
for i in range(6):
    b += ((a >> i) & 1) << [4, 1, 3, 2, 0, 5][i]
print(b)