public class Swap
{
    public static void main(String[] args)
    {
        int a=222;
        int b=666;
        System.out.println("a="+a);
        System.out.println("b="+b);
        int c;
        c=a;a=b;b=c;
        System.out.println("a="+a);
        System.out.println("b="+b);
     }
}