using System;

​

public class Program

{

    public static void Main()

    {

        int count = int.Parse(Console.ReadLine());

        double[] numbers = new double[count];

        double sum = 0;

        for (int i = 0; i < count; i++)

        {

            double number = double.Parse(Console.ReadLine());

            if (number < 0)

            {

                numbers[i] = number;

                break;

            }

​

            numbers[i] = number;

            sum += number;

        }

​

        for (int i = 0; i < count; i++)

        {

            if (numbers[i] < 0)

            {

                Console.WriteLine("Invalid operation!");

                break;

            }

            else

            {

                Console.WriteLine("Increase: {0}", numbers[i]);

            }

        }

​

        Console.WriteLine("Total: {0}", sum);

    }

}