The county fair is a popular field trip destination. This year the senior class at High School A and the senior class at High School B both planned trips there. The senior class at High School A rented and filled 11 vans and 6 buses with 535 students. High School B rented and filled 2 vans and 12 buses with 730 students. Each van and each bus carried the same number of students. Find the number of students in each van and in each bus.