static void ReturnGrade()
{
QuizClass1 qc1 = new QuizClass1();
string newGrade = qc1.Grades2('D');
string grade1 = qc1.Grades('E');
Console.WriteLine(grade1);
string grade2 = qc1.Grades('V');
Console.WriteLine(grade2);
string grade3 = qc1.Grades('G');
Console.WriteLine(grade3);
string grade4 = qc1.Grades('A');
Console.WriteLine(grade4);
string grade5 = qc1.Grades('F');
Console.WriteLine(grade5);
string grade6 = qc1.Grades('S');
Console.WriteLine(grade6);
qc1.DivisibleByThree();
string mygrade = qc1.Grades2('E');
Console.WriteLine(mygrade);
qc1.NewDivisibleByThree();
qc1.NewDivisibleByThree4();
Console.ReadLine();
}
static void QuizClass1()
{
QuizClass1 myQuizClass1 = new QuizClass1();
Console.WriteLine("Please Enter Grade.");
string grade = myQuizClass1.GreadeAndDesciption(Console.ReadLine().ToUpper());
Console.WriteLine(grade);
myQuizClass1.DivisibleByThree();
}