public static void Main()
sumWhile = sumWhile * numberWhile;
Console.WriteLine("While Loop 20: " + sumWhile);
sumDo = sumDo * numberDo;
Console.WriteLine("Do While Loop 20: " + sumDo);
for(numberFor = 1; numberFor < 21; numberFor++){
sumFor = sumFor * numberFor;
Console.WriteLine("For Loop 20: " + sumFor);
while (numberWhile10 < 11)
sumWhile10 = sumWhile10 * numberWhile10;
Console.WriteLine("While Loop 10: " + sumWhile10);
sumDo10 = sumDo10 * numberDo10;
} while (numberDo10 < 11);
Console.WriteLine("Do While Loop 10: " + sumDo10);
for(numberFor10 = 1; numberFor10 < 11; numberFor10++){
sumFor10 = sumFor10 * numberFor10;
Console.WriteLine("For Loop 10: " + sumFor10);
Console.WriteLine(number);
Console.WriteLine("Y or N to continue? ");
stop = Console.ReadLine();