class Employee {
    String name;
    Integer salary;
    Integer sales;
    Integer bonus;
    public Employee(String name, Integer salary, Integer sales) {
        this.name = name;
        this.salary = salary;
        this.sales = sales;
    }
}
public class Test {
    static int BONUS_PERCENTAGE = 10;
    static int getBonusPercentage(int salary) {
        int percentage = salary * BONUS_PERCENTAGE / 100;
        return percentage;
    }
    static int findEmployeeBonus(int salary, int noOfSales) {
        int bonusPercentage = getBonusPercentage(salary);
        int bonus = bonusPercentage * noOfSales;
        return bonus;
    }
    public static void main(String[] args) {
        Employee john = new Employee("John", 5000, 5);
        john.bonus = findEmployeeBonus(john.salary, john.sales);
        System.out.println(john.bonus);
    }
}