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:
a=int(input())
i=0
l=[4,1,3,2,0,5]
ans=0
while a:
    if a%2==1:
        ans+=2**l[i]
    i+=1
    a//=2
print(ans)