CalorieCalculator

using System;

namespace _2_CalorieCalculator
{
    class Program
    {
        static void Main()
        {
            char gender = char.Parse(Console.ReadLine());
            double weightKg = double.Parse(Console.ReadLine());
            double heightM = double.Parse(Console.ReadLine());
            int age = int.Parse(Console.ReadLine());
            string phisicalActivity = Console.ReadLine();

            double calories = 0;

            if (gender == 'm')
            {
                calories = 66 + (13.7 * weightKg) + (5 * heightM * 100) - (6.8 * age);
            }
            else if (gender == 'f')
            {
                calories = 655 + (9.6 * weightKg) + (1.8 * heightM * 100) - (4.7 * age);
            }

            switch (phisicalActivity)
            {
                case "sedentary":
                    calories *= 1.2;
                    break;
                case "lightly active":
                    calories *= 1.375;
                    break;
                case "moderately active":
                    calories *= 1.55;
                    break;
                case "very active":
                    calories *= 1.725;
                    break;
            }

            Console.WriteLine($"To maintain your current weight you will need {Math.Ceiling(calories)} calories per day.");
        }
    }
}