import java.util.Scanner;

public class Demo {

    public static void main( String[] args) {

        Scanner inp = new Scanner( System.in);

        while (true) {
            System.out.print("Enter the number of hits: :");
            int numHits = inp.nextInt();
            if( numHits < 0 ) {
                break;
            }

            System.out.print("Enter the number of at bats: :");
            int numAtBats = inp.nextInt();
            if( numAtBats < 0 ) {
                break;
            }

            BaseBallStats stats = new BaseBallStats();
            double avg = stats.batAvg(numHits, numAtBats);

            System.out.println("Batting Average is " + avg);
        }

        System.out.println("Done");

    }

}