coordinates = eval(input())
for i in range(len(coordinates)):
    a = coordinates[i][0][1] - coordinates[i][1][1]
    b = coordinates[i][1][0] - coordinates[i][0][0]
    c = coordinates[i][0][0] * coordinates[i][1][1] - coordinates[i][1][0] * coordinates[i][0][1]

    for j in range(len(coordinates)):
        if coordinates[i]==coordinates[j]:
            continue
        a1 = coordinates[j][0][1] - coordinates[j][1][1]
        b1 = coordinates[j][1][0] - coordinates[j][0][0]
        c1 = coordinates[j][0][0] * coordinates[j][1][1] - coordinates[j][1][0] * coordinates[j][0][1]

        y = (a*c1 - a1*c)/(a1*b - a*b1)
        x = (-b1*y-c1) / a1
        print(x, y)