A survey of 500 high school students was taken to determine their favorite chocolate candy. Of the 500 students surveyed, 149 like Snickers, 186 like Twix, 134 like Reese's Peanut Butter Cups, 70 like Snickers and Twix, 82 like Twix and Reese's Peanut Butter Cups, 31 like Snickers and Reese's Peanut Butter Cups, and 19 like all three kinds of chocolate candy. How many students like at most 2 kinds of these chocolate candies?