while true do 
 rednet.open("bottom")
 redstone = rs.getInput("right")
 if rs.getInput("right") == true then
 rednet.send(10, "o3")
 term.clear()
 term.setCursorPos(1,1)
 print("OXYGEN ON")
 sleep(1)
  else
-- rednet.open("left") 
 redstone = rs.getInput("right")
 if rs.getInput("right") == false then
 rednet.send(10, "o3n")
 term.clear()
 term.setCursorPos(1,1)
 print("OXYGEN OFF") 
 sleep(1)
 else 
 end
 end
end


