func main()
	var h: int :: cui@inputInt()
	var w: int :: cui@inputInt()
	var q: int :: cui@inputInt()
	var ans: int :: h * w
	var nums: dict<int, int> :: #dict<int, int>
	for(1, q)
		var y: int :: cui@inputInt()
		var x: int :: cui@inputInt()
		var n: int :: h + 1 - y
		var v: int :: nums.get(x, &)
		if(n > v)
			do ans :- n - v
			do nums.add(x, n)
		end if
		do cui@print("\{ans}\n")
	end for
end func