local valid
local accounts = {
   ["ja996ca"] = "jacob2003",
}

term.clear()
term.setCursorPos(1, 1)

print("Enter username")
write("> ")
local input_user = read()

print("Enter password")
write("> ")
local input_pass = read("*")

for valid_user, valid_pass in pairs(accounts) do
   if (input_user == valid_user and input_pass == valid_pass) then valid = true end
end

if valid then shell.run(".menu") else shell.run("shutdown") end