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)) elif d > 0: ans_0 = (- b - (d)**0.5) / (2 * a) ans_1 = (- b + (d)**0.5) / (2 * a) print(ans_0, ans_1)