public class LemonadeStand {
  
  private int cash = 20;
  private int lemons = 0;
      
public int cash (){
  return cash;
}
public int lemons () {
  return lemons;
}

public void sellLemonade () {
lemons = lemons - 1;
  cash = cash + 3;
}
  
public static void main () {
}

}