public class Element implements Comparable 
{
	int key;
	int index;
	boolean job;
	
	public Element(int kk,int ii,boolean jj)
	{
		key=kk;
		index=ii;
		job=jj;
	}

	public int compareTo(Object x) 
	{
		int xkey=((Element)x).key;
		if (key<xkey) return -1;
		if (key==xkey) return 0;		
		return 1;
	}
}