func main()
	var a: int :: cui@inputInt()
	var b: int :: cui@inputInt()
	do a :* 1000
	do b :* 3600
	if(a = b)
		do cui@print("same\n")
	elif(a > b)
		do cui@print("KoD\n")
	else
		do cui@print("blackyuki\n")
	end if
end func