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())
bit=bin(n)[2::].rjust(6,'0')

code_crack=[0,5,3,2,4,1]
new=''
for i in range(6):
    pos=bit[code_crack[i]]
    new+=pos
    
print(int(new,2))