private static int addHeart(int heart, int plusHeart) {

        if (heart<100){
            if (heart+plusHeart<=100){
                heart+=plusHeart;
                System.out.println(String.format("You healed for %d hp.",plusHeart));
                System.out.println(String.format("Current health: %d hp.",heart));
            }else {
                System.out.println(String.format("You healed for %d hp.",100-heart));
                heart=100;
                System.out.println("Current health: 100 hp.");
            }
        }else {
            System.out.println("You healed for 0 hp.");
            System.out.println("Current health: 100 hp.");
        }
        return heart;
    }