func main()
	var y: int :: cui@inputInt()
	var n: int :: cui@inputInt()
	
	var ans: int :: y
	for i(0, n - 1)
		do ans :- cui@inputInt()
	end for
	
	if(ans < 0)
		do cui@print("red\n")
	else
		do cui@print("\{ans}\n")
	end if
end func