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:
P = [4, 1, 3, 2, 0, 5]
S = str(bin(int(input())+64))
print(int(''.join(S[8-P[5-i]] for i in range(6)), 2))