public class Casts {
  public static void main(String []args) {
    System.out.println(19 / 5);
    System.out.println(19.0 / 5.0);
    System.out.println(19 / 5.0);
    System.out.println(19.0 / 5);
    System.out.println((double)19 / 5);
    System.out.println(19 / (double)5);
    System.out.println((double)(19 / 5));
  }
}