Phone Processes

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

namespace Divicing
{
    class Program
    {
        static void Main(string[] args)
        {
            string inPower = Console.ReadLine();
            inPower = inPower.Replace("%", "");
            int power = int.Parse(inPower);

            int battCheck = 0;
            int battCheckOff = 0;
            int counter = 0;

            if (power <= 15 && power > 0)
            {
                battCheck = 1;
            }
            else if (power <= 0)
            {
                battCheckOff = 1;
            }

            string prog = Console.ReadLine();

            while (!prog.ToLower().Equals("end"))
            {
                if (battCheck == 1 || battCheckOff == 1)
                {
                    counter++;
                    prog = Console.ReadLine();
                    continue;
                }

                int percent = int.Parse(prog.Substring(prog.Length - 3, 2));

                power = power - percent;
                if (power <= 15 && power > 0)
                {
                    battCheck = 1;
                }
                else if (power <= 0)
                {
                    battCheckOff = 1;
                }

                prog = Console.ReadLine();
            }


            if (battCheck == 1)
            {
                Console.WriteLine($"Connect charger -> {power}%");
                Console.WriteLine($"Programs left -> {counter}");
            }
            else if (battCheckOff == 1)
            {
                    Console.WriteLine("Phone Off");
            }
            else
            {
                Console.WriteLine($"Successful complete -> {power}%");
            }

        }
    }
}