block keybinds

while true do
    local event, key = os.pullEvent("key")

    -- Check for Ctrl + R, Ctrl + S, or Ctrl + T
    if (key == keys.r and keys.leftCtrl) or (key == keys.s and keys.leftCtrl) or (key == keys.t and keys.leftCtrl) then
        -- Do nothing or display a message to indicate the keys are disabled
        print("Ctrl + R/S/T is disabled.")
    else
        -- Process other key presses
        -- Your code here
    end
end