class JSample12_1{
  public static void main(String args[]){
    int num = 30;

    System.out.println("num = " + num);

    System.out.print("num > 5 && num < 20  --> ");
    System.out.println(num > 5 && num < 20);

    System.out.print("num > 20 || num < 10  --> ");
    System.out.println(num > 20 || num < 10);

    System.out.print("!(num < 20)  --> ");
    System.out.println(!(num < 20));
  }
}