Answer: 4 balls in the smallest hole and 8 balls in the bigger hole
Explanation: Since 1 ball in the smallest hole in worth 100 points and 4 balls in the smallest hole, then we multiply 4 by 100 to get 400. And also, every ball that doesn't make either one of the holes, it counts as 1 point , so we multiply 1 by 6 to get 6. Finally add up 400 and 6 to get 406, more than his current score.