F=pow(379153,-1,p)%983
A2=0
A3=0
for X in Z:
 for x in X:
  A2=(A2+x*x)%983
  A3=(A3+x*x*x)%983
print('F',F,'A2',A2,'A3',A3)
print('ANS',len(Z),len(next(iter(Z))),(A2*F*F)%983,(A3*F*F*F)%983)