public class InClass_Demo {
    public static void main(String[] args) {
        System.out.println("Good day "+args[0]+".\nThe difference between "+args[1]+" and "+String.format("%.3f",Double.parseDouble(args[2]))+" = "+String.format("%.2f", Integer.parseInt(args[1])-Double.parseDouble(args[2])));
    }
}