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())
print ((x&32) + (x&16)//16 + (x&8)//2 + (x&4)*2 + (x&2) + (x&1)*16)