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())

bin_a = bin(a)[2:]
bin_a = (6 - len(bin_a)) * '0' + bin_a

result = bin_a[0] + bin_a[5] + bin_a[3] + bin_a[2] + bin_a[4] + bin_a[1]
print(int(result, 2))