<prompt> Tarree qabxiilee diimeshinii sadii kennameef, wiirtuu ulfaatinaa shallagi.1, 2, 3, 2, 3, 4, 3, 4, 5, 4, 5, 6.  <response>: Giddu-galli ulfaatinaa foormulaa x x1 x2 ... xnn, y y1 y2 ... ynn, fi z z1 fayyadamuun shallagamuu dandaa z2 ... znn. Galtee 1, 2, 3, 2, 3, 4, 3, 4, 5, 4, 5, 6 kennameef: - x 1 2 3 4 . 4 2.5 - y 2 3 4 5 4 3.5 - z 3 4 5 6 4 4.5 Kanaafuu, wiirtuun ulfaatinaa 2.5, 3.5, 4.5 dha. 