public void fizz_buzz()
{
foreach (int n in Enumerable.Range(1, 100))
{
bool isMultipleOf3 = n%3 == 0;
bool isMultipleOf5 = n%5 == 0;
if (isMultipleOf3 && isMultipleOf5)
Console.Write("FizzBuzz");
else if (isMultipleOf5)
Console.Write("Buzz");
else if (isMultipleOf3)
Console.Write("Fizz");
else
Console.Write(n);
}
}