math.randomseed(os.time()) -- so that the results are always different
function FYShuffle( tInput )
    local tReturn = {}
    for i = #tInput, 1, -1 do
        local j = math.random(i)
        tInput[i], tInput[j] = tInput[j], tInput[i]
        table.insert(tReturn, tInput[i])
    end
    return tReturn
end
	

	
local modem=component.proxy(component.list("modem")())
modem.open(5)
round = 0
          --red,   aqua,    orange,  greenlime, white,  yellow
colors = {"0xFF0000","0x00D8FF","0xca7b00","0x00FF00","0xffffff","0xd1ff00"}
while true do
    round = (round+1)
    local e, _, _, _, _, command = computer.pullSignal()
    if e == "modem_message" then
        pcall(load(command))
		colpast = colors[1]
		while colpast == colors[1] do
				FYShuffle(colors)
				end
        drone.setLightColor(tonumber(colors[1]))
        end
        if round == 6 then
            round = 0
            end
        end