abstract class Beverage {
    private String name;
    private double cost;
    private Size size;
    
    public Beverage(String name, double cost, Size size) {
        this.name = name;
        this.cost = cost;
        this.size = size;
    }
    public String toString() {
        return String.format("%s %s ($%.2f)", size, name, cost);
    }
}