func main()
	var n: int :: cui@inputInt()
	var ans: int :: 0
	for(1, n)
		var s: [][]char :: #[4][]char
		for i(0, 3)
			do s[i] :: cui@inputStr()
		end for
		do s.sort()
		if(s.join(" ") = "akai marui okii umai")
			do ans :+ 1
		end if
	end for
	do cui@print("\{ans}\n")
end func