public static void main (String[] args){
        System.out.println("Welcome to Hearthstone Ladder. Enter win or lose");
        int rank = 25;
        int winstreak = 0;
        int stars = 0;
        String win = "win";
        Scanner sc = new Scanner(System.in);

        while (rank > 20 && stars < 3){
            win = sc.next();
            if (win.equals("win")){
                if (stars == 2){
                    rank--;
                    stars = stars - stars + 1;
                    winstreak++;
                    if (winstreak >= 3){
                        stars++;
                    System.out.println("Winstreak! Bonus Star! Rank " + rank + " " + stars + " stars");
                    }
                    else
                        System.out.println("Rank " + rank + " " + stars + " stars");
                }
                else if (stars < 2){
                winstreak++;
                stars++;
                if (winstreak >= 3)
                    stars++;
                System.out.println("Rank " + rank + " " + stars + " stars");
                }
            if (win.equals("lose")){
                winstreak = winstreak - winstreak;
                System.out.println("\nYou cannot lose stars at this rank. Rank " + rank + " " + stars + " stars");
                }
            }
        }
    }