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:
x=int(input())
x=bin(x)[2:]
x="0"*(6-len(x))+x

ans=x[0]+x[5]+x[3]+x[2]+x[4]+x[1]
print(int(ans,2))