a,b,c=map(int, input().split())
d=b**2/(4*a)-c
e=b**2-4*a*c
if e<0:
  print('imaginary')
elif e==0:
  print(-b/(2*a))
else:
  d/=a
  d**=0.5
  if d<0:
    print(d-b/(2*a),-d-b/(2*a))
  else:
    print(-d-b/(2*a),d-b/(2*a))