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())
 
bn = bin(n)[2:]
bn = "0"*(6-len(bn))+bn
 
print(int(bn[0]+bn[5]+bn[3]+bn[2]+bn[4]+bn[1],2))