A corporation plans to hire several new administrators and several new administrative assistants. It has a budget of exactly 100,000,000 yen (¥) per year allocated to spend on salaries for these new hires. The corporation wants to hire enough new administrators and administrative assistants to use all of this budget, and no more, each full year after the hiring. The annual salary will be exactly ¥10,000,000 for each administrator and exactly ¥7,500,000 for each administrative assistant.