Repost the value of n listed in the comment and count up to n.  n = 1 initially, so the next person will win, then n = 2, count up to 2, second person wins, then n = 3, count up to 3, third person wins and so on.

Just make sure to post n = (n value) so that when we are counting to a large number, we can still see what we have to count up to.

(n=1)

1

I win!

(n=2)

1

(n=2)

2

I win again!

(n=3)

1

n=3

2

n=3

3!! I win!

n=4

1

n=4

2

n=4 3