package jpair;


/**
 * Write a description of class Pair here.
 * 
 * @author (your name) 
 * @version (a version number or a date)
 */
public class Pair {
    private int first = 0;
    private int second = 0;

    public Pair() {}
    public Pair(int a) {first=a; second=a;}
    public Pair(int a, int b) {first=a; second=b;}
    
    public int getFirst(){ return first;}
    public int getSecond(){ return second;}
    public Pair sum(Pair c) {
        Pair ris = new Pair();
        ris.first = first + c.first;
        ris.second = second + c.second;
        return ris;}

    public String toString(){ return "("+first+","+second+")";}
 }