class School {
 
    public String name;
    public String address;
    protected double budget;
    protected int numStudent;

    School(String n, String a) 
       {
          name = new String(n);
          address = new String(a);
       }

    public void setBudget(double b)
       {
         budget = b;
       }

    public void setNumStudent(int s)
       {
          numStudent = s;
       }

    public double costPerStudent()
      {
         return (budget/numStudent);
      }
}