public static void Main()
String fname = "ihthisham";
String lname = "Mohammed";
String fld = "Information technology (IT)";
String std_no = "1027166";
int ttl = math+it+lit+sci+hsci+sec_lang+isl+bus+his;
if (avg>=80) grd="D (Distinction)";
else if (avg>=60) grd="M (Merit)";
else if (avg>=40) grd="P (Pass)";
else grd = "Fail (Re-sit)";
Console.WriteLine("*********O/Level Details*********");
Console.WriteLine("First Name - " + fname);
Console.WriteLine("Last Name - " + lname);
Console.WriteLine("Student ID - " + std_no);
Console.WriteLine("------------Marks------------");
Console.WriteLine("IT - " + it);
Console.WriteLine("Maths - " + math);
Console.WriteLine("Literature - " + lit);
Console.WriteLine("Science - " + sci);
Console.WriteLine("Health Science - " + hsci);
Console.WriteLine("Sinhala - " + sec_lang);
Console.WriteLine("Islam - " + isl);
Console.WriteLine("Business - " + bus);
Console.WriteLine("History - " + his);
Console.WriteLine("----------Results----------");
Console.WriteLine("Total - " + ttl);
Console.WriteLine("Average - " + avg);
Console.WriteLine("Grade - " + grd);