C# ช่วยดูทีให้ที่ครับแก้ตรงไหนบ้าง การรับค่าและแสดงผล

static void Main(string[] args)
{
     string MyName = "";
     string MyAge = "";
     string MyGender = "";
     string MySalary = "";

     Console.Write("Enter your name : ");
     Myname = Console.ReadLine();
     Console.Write("Enter your Age : ");
     MyAge = Console.ReadLine();
     Console.Write("Enter gender : ");
     string Gender = Console.ReadLine();
     switch (Gender.ToUpper())
     {
          case "M" : MyGender = "Male";
               break;
          case "F" : MyGender = "Female";
               break;
          default : MyGender = "Invalid gender"
               break;
     }
     Console.Write("Enter salary : ");
     int salary = int.Parse(Console.ReadLine());
     if (salary >= 10000)
               MySalary = "high";
     if (salary >= 5000 && salary < 10000)
               MySalary = "medium";
     if (salary < 5000)
               MySalary = "low";
     Console.WriteLine("My name is {0} I am {1} year old and I am a {2}",MyName,MyAge,MyGender);
     Console.WriteLine("My salary is {0}",MySalary);


}