public class ClassLib
{
    public static void main(String[] args) {    
        String s="a d d s w a s d";
        String[] re=s.split("\\s+");//String[] re=s.split("^\\s+$");
        System.out.println(re.length);
        for(int i=0;i<re.length;i++)
        System.out.println(re[i].toString());
   
    }
}