Тестирование задачи

a1,b1,a2,b2,c1,c2 = [int(i) for i in input().split()]
if a1 == b1 == a2 == b2 == c1 == c2 == 0:
    print('2XY')
elif a1*b2 == a2*b1 and a1*c2 == a2*c1 and b1*c2 == b2*c1:
    if a1 == b1 == a2 == b2 == 0 and (c1 !=0 or c2 != 0):
        print(0)
    elif b1 == b2 == 0:
        if a1 != 0:
            p = c1 / a1
        else:
            p = c2 / a2
        if abs(p) == 0:
            p = abs(p)
        print(f'1Y {p:.2f}')    
    elif a1 == a2 == 0:
        if b1 != 0:
            p = c1 / b1
        else:
            p = c2 / b2
        if abs(p) == 0:
            p = abs(p)
        print(f'1X {p:.2f}')    
    else:
        print(1)
elif a1*b2 != a2*b1:
    y = (a1*c2 - a2*c1) / (a1*b2 - a2*b1)
    if a1 != 0:
        x = (c1 - b1*y)/a1
    else:
        x = (c2-b2*y)/a2
    if abs(x) == 0:
        x = 0
    if abs(y) == 0:
        y = 0
    print(f'2 {x:.2f} {y:.2f}')
elif a1*b2 == a2*b1 and (a1*c2 != a2*c1 or b1*c1 != b2*c2):
    print(0)

print('1Y {:.2f}'.format(p))

print('1X {:.2f}'.format(p))

if abs(p) == 0:
            p = abs(p)
....................
if abs(x) == 0:
            x = 0