-----------------launch computers hooked up to silos---------
local launchPC = 3 -- Change to Main Launch Computer ID
rednet.open("right") --again, change if not right
term.clear()
print("Listening...")
while true do
        local id, msg = rednet.receive()
        print ("Received message from "..tostring(id)..":"..tostring(msg))
        if(msg == "fire!" and tonumber(id) == launchPC) then
                   rs.setOutput("top",not rs.getOutput("top"))
        end
end