function up()
  x = x+1
 end
 function down()
  x = x-1
  end


while true do
 if x == 1 then
  term.setCursorPos(0,0)
 term.setBackGroundColor(colors.blue)
 term.write("Wither Skeletons: "..wstat)
  elseif x ~= not 1 then
   term.setCursorPos(0,0)
   term.setBackGroundColor(colors.black)
   term.write("Wither Skeletons: "..wstat)
  end
  if x == 2 then
   term.setCursorPos(0,1)
   term.setBackGroundColor(colors.blue)
   term.write("Zombie Pigmen: "..zpstat)
  elseif x ~= not 2 then
   term.setCursorPos(0,1)
   term.setBackGroundColor(colors.black)
   term.write("Zombie Pigmen: "..zpstat)
  end
  if x == 3 then 
   term.setCursorPos(0,2)
   term.setBackGroundColor(colors.blue)
   term.write("Blazes: "..blstat)
  elseif x ~= not 3 then
   term.setCursorPos(0,2)
   term.setBackGroundColor(colors.black)
   term.write("Blazes: "..blstat)
  end
 
  
   
    
 
 local event, key = os.pullEvent("key")
  if key == 38 then
   up()
  end
  if key == 40 then
   down()
  end
  if x == 1 and key == 13 then
   wsstat = not wsstat
   rs.setOutput("back", wsstat)
  elseif x == 2 and key == 13 then 
  zpstat = not zpstat 
   rs.setOutput("top", zpstat)
  elseif x == 3 and key == 13 then
   blstat = not blstat
   rs.setOutput("left", blstat) 
 
 end
 end