p, q = gets.split.map(&:to_i).map(&:abs)

if [p,q]==[0,0]
	type = 0
else
	gcd = p.gcd(q)
	p /= gcd; q /= gcd
	type = (p*q).odd? ? 1 : 2
end

puts gets.to_i.times.count{
	x, y = gets.split.map(&:to_i).map(&:abs)
	
	if type == 0
		next [x,y]==[0,0]
	else
		next false if x % gcd != 0 || y % gcd != 0
		x /= gcd; y /= gcd
		case type
		when 1
			next (x+y).even?
		when 2
			next true
		end
	end
}