public class p2_10
{
    public static void main(String args[])
    {
        int x=1;
        System.out.println("x="+x);
        x=x+1;
        System.out.println("x=x+1:"+x);
        x+=1;
        System.out.println("x+=1:"+x);
        x=x++;
        System.out.println("x++:"+x);
        System.out.println("++x:"+(++x));
    }
}