local cPrint = function(text)
	local x,y2 = term.getCursorPos()
	local x, y = term.getSize()
	term.setCursorPos(math.ceil((x / 2) - (text:len() / 2)), y2)

	print(text)
end

shell.run("clear")
cPrint("\n \n \n")
cPrint("1; Shutdown")
cPrint("2; Mass Shutdown")
cPrint("\n")
write("Selection: ")
input = tonumber(read())

if input == 1 then
	write("\nComputer ID: ")
	rednet.send(tonumber(read()), "shutdown")
elseif input == 2 then
	rednet.broadcast("shutdown")
end