local user = { "user1", "user2", "user3" }
local component = require("component")
local event = require("event")
local Locked = true
local os = require("os")
local gpu = component.gpu

function Main()
    gpu.setResolution(40, 20)
    gpu.fill(1, 1, 40, 20, " ")
    gpu.setForeground(0x00FF00)
    gpu.set(16, 10, "LOCKED")
    Listen()
end

function Listen()
    while true do
    local _, Addr, X, Y, But, Name = event.pull("touch")
        if (Name == "Jarverain") then
            if (Locked == true) then
                gpu.fill(1, 1, 40, 20, " ")
                gpu.setForeground(0x00FF00)
                gpu.set(16, 10, "Access Granted")
                Locked = false
            else
                gpu.fill(1, 1, 40, 20, " ")
                gpu.setForeground(0x00FF00)
                gpu.set(16, 10, "LOCKED")
                Locked = true
            end
        end
    end
end

Main()