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())
c=bin(n)[2:]
while(len(c))<6:
    c='0'+c
d=""
d=d+c[0]
d=d+c[5]
d=d+c[3]
d=d+c[2]
d=d+c[4]
d=d+c[1]
print(int(d,2))