In this task, you are given a summary for US Congressional and California state bill, your task is to generate a Title for this bill. The preferred titles are under forty words and mention the purpose of the bill.

Yellowstone National Park 125th Anniversary Commemorative Coin Act - Directs the Secretary of the Treasury to: (1) mint and issue coins to commemorate the 125th anniversary of Yellowstone National Park; and (2) distribute 25 percent of the surcharges received from coin sales to the Secretary of the Interior for the Park, 25 percent to the Secretary for the National Park Service, and 50 percent to the Treasury for the sole purpose of reducing the national debt.
Yellowstone National Park 125th Anniversary Commemorative Coin Act