import matplotlib.pyplot as plt
import numpy as np

a,b,c=map(int,input().split())
D=b*b-4*a*c

if D>0:
	print((-b-D**0.5)/2*a,(-b+D**0.5)/2*a)
elif D==0:
	print(-(b/2*a))
else:
	print("imaginary")