That is one, two, three, four, five, six, seven, eight, nine, 10, 11, 12, 13, 14, 15. So there's a total of 15 students. And how many of them have been in a fight? So let's see. We have one, and then let's see, one, and two, and three. So three out of the 15 have been in a fight. So three out of 15 is the same thing as one out of five.