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 PYTHON):

Solution:
x=input()

if(x<=12):
    print(2**x)
else:
    print((2**(x-13))*8092)