def n_p(x, y):
    if x > y or x == 10 or x == 11:
        return 0
    if x == y:
        return 1
    if x < y:
        return n_p(x+1, y) + n_p(x+2, y) + n_p(x*3, y)
print (n_p(1, 8)*n_p(8, 27))