dets

def det(a):
    result = 0.0

    result += a[0][0] * (a[1][1] * a[2][2] - a[2][1] * a[1][2])
    result -= a[0][1] * (a[1][0] * a[2][2] - a[2][0] * a[1][2])
    result += a[0][2] * (a[1][0] * a[2][1] - a[2][0] * a[1][1])

    return result

def transponse(A):
    res = [[A[j][i] for j in range(3)] for i in range(3)]
    return res

def read_matrix():
    return [list(map(float, input().split())) for _ in range(3)]

def Solve(a):
    arr = [[[1 if j == index else a[i][j] for j in range(3)] for i in range(3)] for index in range(-1, 3)]
    det_a = det(arr[0])
    det_a1 = det(arr[1])
    det_a2 = det(arr[2])
    det_a3 = det(arr[3])

    det_a123 = det_a1 + det_a2 + det_a3

    game_cost = det_a / det_a123

    x1 = det_a1 / det_a123
    x2 = det_a2 / det_a123
    x3 = det_a3 / det_a123

    return det_a, det_a1, det_a2, det_a3, game_cost, x1, x2, x3


matrix = read_matrix()
c, c1, c2, c3, cost, x1, x2, x3 = Solve(matrix)
print('Cost %.3f' % cost)
print('C %.3f, C1 %.3f, C2 %.3f, C3 %.3f' % (c, c1, c2, c3))
print('x1 %.3f, x2 %.3f, x3 %.3f' % (x1, x2, x3))

c, c1, c2, c3, cost, x1, x2, x3 = Solve(transponse(matrix))
print('C~ %.3f, C~1 %.3f, C~2 %.3f, C~3 %.3f' % (c, c1, c2, c3))
print('y1 %.3f, y2 %.3f, y3 %.3f' % (x1, x2, x3))