func main()
	var n: int :: cui@inputInt()
	var m: int :: cui@inputInt()
	
	var ans: int :: 0
	for(1, n)
		var s: []char :: cui@inputStr()
		var r: int :: cui@inputInt()
		if(r >= 1200)
			if(s.sub(0, 4) <> "oooo")
				do ans :+ 1
			end if
		end if
	end for
	
	do cui@print("\{ans}\n")
end func