Altitude

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

namespace Altitude
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] inputArray = Console.ReadLine().Split(' ');
            string[] commands = new string[(inputArray.Length - 1) / 2];
            int tempCount = 1;
            for (int i = 0; i < commands.Length; i++)
            {
                commands[i] = inputArray[tempCount];
                tempCount += 2;
            }
            tempCount = 2;
            string[] height = new string[commands.Length];
            for (int i = 0; i < commands.Length; i++)
            {
                height[i] = inputArray[tempCount];
                tempCount += 2;
            }
            double altitude = double.Parse(inputArray[0]);
            for (int i = 0; i < commands.Length; i++)
            {
                if (commands[i] == "up")
                {
                    altitude += double.Parse(height[i]);
                }
                else if (commands[i] == "down")
                {
                    altitude -= double.Parse(height[i]);
                }
                if (altitude <= 0)
                {
                    Console.WriteLine("crashed");
                    break;
                }
            }
            if (altitude > 0)
            {
                Console.WriteLine($"got through safely. current altitude: {altitude}m");
            }
        }
    }
}