04. Cat Food

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Practice
{
    class Program
    {
        static void Main(string[] args)
        {
            int numOfCats = int.Parse(Console.ReadLine());

            int groupOne = 0;
            int groupTwo = 0;
            int groupThree = 0;
            double totalFood = 0;

            for (int i = 1; i <= numOfCats; i++)
            {
                double food = double.Parse(Console.ReadLine());
                totalFood += food;
                if (food >= 100 && food < 200)
                {
                    groupOne++;
                }
                else if (food >= 200 && food < 300)
                {
                    groupTwo++;
                }
                else if (food >= 300 && food < 400)
                {
                    groupThree++;
                }
            }

            Console.WriteLine($"Group 1: {groupOne} cats.");
            Console.WriteLine($"Group 2: {groupTwo} cats.");
            Console.WriteLine($"Group 3: {groupThree} cats.");
            totalFood = Math.Round(((totalFood / 1000) * 12.45),2);
            Console.WriteLine($"Price for food per day: {totalFood} lv.");

        }
    }
}