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rednet.open("top")
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while true do 
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message=0
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if rs.getInput("left") and rs.getInput("back") then
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rs.setOutput("front",true)
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else
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print("do you want to resive or send message?")
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rs.setOutput("front",false)
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print("1 for send and 2 for resive")
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a=read()
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a=tonumber(a)
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if a==1 then
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print("type in your message")
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msg=read()
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rednet.broadcast(msg)
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end
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if a==2 then
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print("waiting for the message")
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while message == 0 do 
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id,message=rednet.receive()
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print("here is your message")
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print(message)
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end
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end
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end