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())
a=0
a=a+(x%2)*pow(2,4)
x=x//2
a=a+(x%2)*pow(2,1)
x=x//2
a=a+(x%2)*pow(2,3)
x=x//2
a=a+(x%2)*pow(2,2)
x=x/2
a=a+(x%2)*pow(2,0)
x=x//2
a=a+(x%2)*pow(2,5)
print(int(a))