def main():
    a,b,c = map(int,input().split())
    tmp = b**2 - 4*a*c
    if tmp < 0:
        print ('imaginary')
        return

    D = (b**2 - 4*a*c) ** (1/2)
    x_1 = (-b + D) / (2 * a)
    x_2 = (-b - D) / (2 * a)

    if tmp == 0:
        print(x_1)

    print(x_1,x_2)

main()