Calorie Calculator

using System;

namespace CalorieCalculator
{
    internal class Program
    {
        static void Main(string[] args)
        {
            char gender = char.Parse(Console.ReadLine());
            double weight = double.Parse(Console.ReadLine());
            double height = double.Parse(Console.ReadLine());
            int age = int.Parse(Console.ReadLine());
            string physicalActivity = Console.ReadLine();

            double basalMetabolicRate;
            double coefficientActivity;

            if (gender == 'm')
            {
                basalMetabolicRate = 66 + weight * 13.7 + height * 500 - 6.8 * age;
            }
            else
            {
                basalMetabolicRate = 655 + weight * 9.6 + height * 180 - 4.7 * age;
            }

            if (physicalActivity == "sedentary")
            {
                coefficientActivity = 1.2;
            }
            else if (physicalActivity == "lightly active")
            {
                coefficientActivity = 1.375;
            }
            else if (physicalActivity == "moderately active")
            {
                coefficientActivity = 1.55;
            }
            else
            {
                coefficientActivity = 1.725;
            }

            double calories = basalMetabolicRate * coefficientActivity;

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