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:
l=list(bin(int(input()))[2:])
l=['0']*(6-len(l))+l
l[2],l[3],l[1],l[5] = l[3],l[2],l[5],l[1]
print(int("".join(l),2))