Courtney walked from her house to the beach at a constant speed of 444 kilometers per hour, and then walked from the beach to the park at a constant speed of 555 kilometers per hour. The entire walk took 222 hours and the total distance Courtney walked was 888 kilometers. Let bbb be the number of hours it took Courtney to walk from her house to the beach, and ppp the number of hours it took her to walk from the beach to the park. Which system of equations represents this situation?