local x,y = term.getSize()
while true do
	local x1, x2 = math.random(x), math.random(y)
	local ad = math.random(4)
	term.setCursorPos(x1,x2)
	if ad == 1 then
		write("+-Tired of ads?-+")
		term.setCursorPos(x1,x2+1)
		write("|Then click here|")
		term.setCursorPos(x1,x2+3)
		write("+---------------+")
	elseif ad == 2 then
		write("+-Free games-+")
		term.setCursorPos(x1,x2+1)
		write("|Register now|")
		term.setCursorPos(x1,x2+3)
		write("+------------+")
	elseif ad == 3 then
		write("+-We Want you.-+")
		term.setCursorPos(x1,x2+1)
		write("|To join nexus!|")
		term.setCursorPos(x1,x2+3)
		write("+--------------+")
	elseif ad == 4 then
		write("+---Hey you!---+")
		term.setCursorPos(x1,x2+1)
		write("|Hi! :3 :P :D  |")
		term.setCursorPos(x1,x2+3)
		write("+--------------+")
	end
end