rednet.open("left");
local m = peripheral.wrap("back");
m.clear();
m.setTextColor(colors.white);
m.setBackgroundColor(colors.black);
m.setTextScale(3);
while true do
local senderId, message, protocol = rednet.receive("boxes");
if message == "1" then
m.setCursorPos(1,1);
m.setBackgroundColor(colors.blue);
m.write("  1  ");
elseif message == "2" then

elseif message == "3" then

elseif message == "4" then

elseif message == "5" then

elseif message == "10" then

elseif message == "15" then

elseif message == "20" then

elseif message == "25" then

elseif message == "50" then

elseif message == "100" then

elseif message == "150" then

elseif message == "200" then

elseif message == "250" then

elseif message == "500" then

elseif message == "750" then

elseif message == "1000" then

elseif message == "2000" then

elseif message == "5000" then

end
end