public class HelloWorld{
    public static void main(String[] args) {
        int one = 10 ;
        int two = 20 ;
        int three = 0 ;
        int three=one+two;
        System.out.println("three=one+two==>"+three);
        int three+=one;
        System.out.println("therr+=one==>"+three);
        int three-=one;
        System.out.println("three-=one==>"+three);
        int three*=one;
        System.out.println("three*=onr==>"+three);
        int three/=one;
        System.out.println("three/=one==>"+three);
        int three%=one;
        System.out.println("three%=one==>"+three);