import java.util.*;//imports needed tools

public class Number {
		private int intCount = 0;
		ArrayList<Integer> num = new ArrayList<Integer>();

	public void addToList(int number){
			num.add(number);
			intCount++;
		}

	public int sum(ArrayList<Integer> array){
		int total = 0;
		for(int i = 0; i < array.size(); i++){
			total += array.get(i);
		}
		return total;
	}

	public String values(ArrayList<Integer> array){
		String list = " ";
		for(int i = 0; i < array.size(); i++){
			list += array.get(i);
		}
		return list;
	}

	public int count(){
		return intCount;

	}

}