import math
import numpy as NP

LC1 = eval(input("Enter DRs of Line 1 : "))
LP1 = eval(input("Enter Coordinate through which Line 1 passes : "))
LC2 = eval(input("Enter DRs of Line 2 : "))
LP2 = eval(input("Enter Coordinate through which Line 2 passes : "))
a1, b1, c1, a2, b2, c2 = LC1[0], LC1[1], LC1[2], LC2[0], LC2[1], LC2[2]
x = NP.array(
    [[LP2[0] - LP1[0], LP2[1] - LP1[1], LP2[2] - LP1[2]], [a1, b1, c1], [a2, b2, c2]]
)
y = math.sqrt(
    (((b1 * c2) - (b2 * c1)) ** 2)
    + (((c1 * a2) - (c2 * a1)) ** 2)
    + (((a1 * b2) - (b1 * a2)) ** 2)
)