import sys
a,b,c = map(int,input().split())
D = b**2-4*a*c
if D < 0:
    print('imaginary')
elif D==0:
    print(-b/(2*a))
else:
    if a < 0:
        a,b,c = -a,-b,-c
    s1 = (-b-(b**2-4*a*c)**(1/2))/(2*a)
    s2 = (-b+(b**2-4*a*c)**(1/2))/(2*a)
    print(s1,s2)