159. (x, y, z) = (1,1,1)
1.(x, y, z) = (2,5,1)
2.(x, y, z) = (3,0,-2)
3.(x, y, z) = (0,-1,4)
4.(x, y, z) = (1,2,-3)
последнее (x, y, z) = (0,3,4)
