04. Running In The Park

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

namespace RunningInThePark
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            int mins = 0;
            double ranDistance = 0;
            int calories = 0;
            for (int i = 0; i < n; i++)
            {
                int time = int.Parse(Console.ReadLine());
                mins += time;
                double distance = double.Parse(Console.ReadLine());
                string unit = Console.ReadLine();
                if (unit == "km")
                    distance *= 1;
                else if (unit == "m")
                    distance *= 0.001;
                ranDistance += distance;
                calories += time * 400 / 20;
            }

            Console.WriteLine($"He ran {ranDistance:f2}km for {mins} minutes and burned {calories} calories.");
        }
    }
}