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 = bin(int(input()))[2:].zfill(6)
print(int(s[0]+s[5]+s[3]+s[2]+s[4]+s[1],2))