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)[2:]
l=len(b)
b='0'*(6-l)+ b
c=['0']*6
c[0]=b[0]
c[1]=b[5]
c[2]=b[3]
c[3]=b[2]
c[4]=b[4]
c[5]=b[1]
print(int(''.join(c),2))