Calculates cross (vector) product between 2 three-dimensional integral vectors.
a,b,c=map(int,[input() for _ in range(3)]) print("v1: (",a,b,c,")") d,e,f=map(int,[input() for _ in range(3)]) print("v2: (",d,e,f,")") print(b*f-c*e) print(c*d-f*a) print(a*e-b*d)