public class BraggingFriend {
    public static void main(String[] args) {
        In userInput = new In();
        System.out.println("How many classes are you taking this semester?");

        int response = userInput.readInt();
        System.out.println("Oh, " + response + " classes?");
        System.out.println("That's cool. I'm taking " + (response + 1));
    }
}