dd

using System;

namespace Gasoline
{
    class Program
    {
        static void Main(string[] args)
        {
            string name = Console.ReadLine();
            string writeName = "Gas";
             string writesecondName = "Gasoline";
            string writethirdName = "Diesel";
            int literGas = int.Parse(Console.ReadLine());

            if (literGas >=25)
            {
                Console.WriteLine($"You have enough {(name)}!");
            }
            else if (literGas < 25)
            {
                Console.WriteLine($"Fill your thank with {(name)}!");

            }
            else if (name != writeName )
            {
                Console.WriteLine("Invail Fuel!");
            }
            else if (name != writesecondName)
            {
                Console.WriteLine("Invail Fuel!");
            }
            else if ( name != writethirdName)
            {
                Console.WriteLine("Invail Fuel!");
            }
        }
    }
}