I,J,P=input,int,print
X=I().split()
Y=I().split()
a,b=J(X[0]),J(X[1])
c,d=J(Y[0]),J(Y[1])
e,f=a*a+b*c,a*b+b*d
g,h=c*a+d*c,b*c+d*d
P(a*e+b*g,a*f+b*h)
P(c*e+d*g,c*f+d*h)