a,b,c = map(int,input().split())
D = b**2-4*a*c

if D < 0:
    print ("imaginary")
elif D == 0:
    print ((-1*b)/(2*a))
else:
    ans = [ (-1*b-(D**0.5))/(2*a) , (-1*b+(D**0.5))/(2*a) ]
    ans.sort()
    print (*ans)