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:
convert = lambda x: bin(x)[2:].zfill(6)
n = list(convert(int(input())))
n[1], n[5] = n[5], n[1]
n[2], n[3] = n[3], n[2]
print(int("".join(n), 2))