a,b=map(int,input().split())
c,d=map(int,input().split())

def f(List_1,List_2):
	a,b,c,d=List_1
	p,q,r,s=List_2
	x1=a*p+b*r
	x2=a*q+b*s
	x3=c*p+d*r
	x4=c*q+d*s
	return [x1,x2,x3,x4]

L=[a,b,c,d]
ans=f(f(L,L),L)
print(ans[0],ans[1])
print(ans[2],ans[3])