for(int i = 1; i <= 100; i++)
{
   if(i % 3 == 0)
      Console.Write("Fizz");
   if(i % 5 == 0)
      Console.Write("Buzz");
   if(i % 3 != 0 && i % 5 != 0)
      Console.Write(i);
   Console.Write("\n");
}