04.Cat-Food

using System;

namespace _04._Cat_FOOD
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int group1 = 0;
            int group2 = 0;
            int group3 = 0;
            double sumFood = 0;

            for (int i = 0; i < n; i++)
            {
                double gramsFood = double.Parse(Console.ReadLine());
                sumFood += gramsFood;

                if (gramsFood >= 100 && gramsFood < 200)
                {
                    group1++;
                }
                else if (gramsFood >= 200 && gramsFood < 300)
                {
                    group2++;
                }
                else if (gramsFood >= 300 && gramsFood < 400)
                {
                    group3++;
                }
            }
            sumFood = (sumFood / 1000) * 12.45;
            Console.WriteLine($"Group 1: {group1} cats.");
            Console.WriteLine($"Group 2: {group2} cats.");
            Console.WriteLine($"Group 3: {group3} cats.");
            Console.WriteLine($"Price for food per day: {sumFood:F2} lv.");
        }
    }
}