Číslo kroku

X: (2.46, 1.48)
Y: (11.94, -1.44)
p = Line(X, Y)
S = (3.6032389525678203, 5.717291692171024)
A = (4.963409958774521, 3.3040850682559144)
c = Circle(S, A)
p_1 = Line(S, A)
d = Parabola(A, p)
S_1 = Intersect(d, p_1, 1)
S_2 = Intersect(d, p_1, 2)
k_1 = Circle(S_1, A)
k_2 = Circle(S_2, A)
a = 0 (slider from 0 to 3, step 1)