quick code

[Techno]

ok this sounds easy but which is the best way of doing this?

in a for loop (lets say up to 100), for numbers where a multiple of X, print something. for a multiple of Y print something else. For a multiple of X and Y, print something else.

does that make sense? how would you find out (or the best way) if you are in multples?
would that be the mod operator? if so, then would this be right?

for (int counter = 0; counter < 100; counter++)
{
if (counter % X == 0)
{
Console.WriteLine("something 1");
}
else if (counter % Y == 0)
{
Console.WriteLine("something 2");
}
else
{
Console.WriteLine(counter.ToString());
}
}

but what about the last part "if they are multples of X and Y"?