Java :

import java.util.Scanner;


public class Main {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner input=new Scanner(System.in);
		int a=input.nextInt();
		int p=0,n=0,t=0;
		while (a!=0) {
			t+=a;
			if (a>0) p++;
			else n++;
			a=input.nextInt();
		}
		System.out.println("The number of positives is "+p);
		System.out.println("The number of negatives is "+n);
		System.out.println("The total is "+t);
		System.out.printf("The average is %.2f",(t*1.0/(p+n)));
	}

}