def calc(a, b, c, d, e, f, g, h):
    x = a * e + b * g
    y = a * f + b * h
    z = c * e + d * g
    w = c * f + d * h

    return x, y, z, w

a, b = map(int, input().split())
c, d = map(int, input().split())
e, f = map(int, input().split())
g, h = map(int, input().split())

x, y, z, w = calc(a, b, c, d, e, f, g, h)
x, y, z, w = calc(x, y, z, w, x, y, z, w)
print(x, y)
print(z, w)