public class HelloWorld{

    public static void main(String[] args) {

   int one = 10 ;

        int two = 20 ;

        int three = 0 ;

        three = one + two ;

        System.out.println("three = one + two ==>" + three);

        three += one ;

        System.out.println("three += one ==>" + three);

        three -= one ;

        System.out.println("three -= one ==>" + three);

        three *= one;

        System.out.println("three *= one ==>" + three);

        three /= one ;

        System.oue.println("three /= one ==>" + three);

        three %= one ;

        System.out.println("three %= one ==>" + three);