87. Autumn has arrived, and the older sister and younger sister went together to pick up maple leaves on the ground. The older sister picked five-angled maple leaves (a leaf with five angles), and the younger sister picked three-angled maple leaves (a leaf with three angles). If the maple leaves picked by the sisters have a total of 102 angles, and the older sister picked 6 more leaves than the younger sister, then the older sister picked $\qquad$ maple leaves, and the younger sister picked $\qquad$ maple leaves (all the leaves have complete angles).
Reference answer: 15, 9