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:
s = int(input())

t = 0
conversion = [4,1,3,2,0,5]
for i in range(6):
    if s & (1<<conversion[i]) > 0:
        t |= (1 << i)

print(t)