A0 = list(map(int, input().split()))
A1 = list(map(int, input().split()))
B0 = list(map(int, input().split()))
B1 = list(map(int, input().split()))

a = [A0, A1]
b = [B0, B1]


# aとbの行列積を計算
c = [[0, 0], [0, 0]]
for i in range(2):
    for j in range(2):
        c[i][j] = a[i][0] * b[0][j] + a[i][1] * b[1][j]

# cとcの行列積を計算
c2 = [[0, 0], [0, 0]]
for i in range(2):
    for j in range(2):
        c2[i][j] = c[i][0] * c[0][j] + c[i][1] * c[1][j]

# c2を出力
for row in c2:
    print(" ".join(map(str, row)))