func main()
	var l: int :: cui@inputInt()
	var n: int :: cui@inputInt()
	var w: []int :: #[n]int
	for i(0, n - 1)
		do w[i] :: cui@inputInt()
	end for
	
	do w.sort()
	
	var sum: int
	for i(0, n - 1)
		do sum :+ w[i]
		if(sum > l)
			do cui@print("\{i}\n")
			ret
		end if
	end for
	do cui@print("\{n}\n")
end func