func main()
	var p1: int :: cui@inputInt()
	var p2: int :: cui@inputInt()
	var n: int :: cui@inputInt()
	var ans: int :: 0
	var room: []bool :: #[1000]bool
	for(1, n)
		var r: int :: cui@inputInt()
		if(room[r])
			do ans :+ p1 + p2
		end if
		do room[r] :: true
	end for
	do cui@print("\{ans}\n")
end func