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