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