Frame Elevator touch screen input

local event = "test"
local side = "test"
local mX = 0
local mY = 0
Mon = peripheral.wrap("right")
rednet.open("back")
Mon.setTextScale(1)
Mon.clear()
Mon.setTextColor(colors.lightBlue)
Mon.setCursorPos(3,1)
Mon.write("Top")
Mon.setTextColor(colors.lime)
Mon.setCursorPos(1,3)
Mon.write("Second")
Mon.setTextColor(colors.brown)
Mon.setCursorPos(1,5)
Mon.write("Ground")

local event,side,mX,mY=os.pullEvent("monitor_touch")

term.clear()
print(event)
print(side)
print(mX)
print(mY)

if mY == 1 then
print("TOP")
  rednet.send(1, "mountain")
else
  if mY == 3 then
    print("SECOND")
    rednet.send(1, "second")
  else
    print("GROUND")
    rednet.send(1, "ground")
  end
end
shell.run("panel")