import java.util.ArrayList;

public class Collections {
    private final ArrayList<Integer> i;

    Collections(ArrayList<Integer> i) {
        this.i = i;
    }

    public ArrayList<Integer> numUp() {
        ArrayList<Integer> list = new ArrayList<>();
        for (Integer element : i) {
            list.add(element + 1);
        }
        return list;
    }

    public void numUp1(Integer d) {
        System.out.println(d+3);
    }


}