Question 12
There are 2 types of games at a school party, denoted by X and Y. A student gets 7 points for game X and get 11 points for game Y. The students can play $x$ times of game X and $y$ times of game Y. If a student gets exactly 472 points in total, then he can get the special prize. What is the minimum possible value of $x+y$ to get the special prize?