Lua Noob If Else

-- Finally got this thing working took awhile ...

function r()
-- tonumber IMPORTANT won't be a number without it TT
    r = tonumber(io.read())
    print(r)

    if r > 5 then
        y=7
    else
        y=3
    end
end

r()

if (y > 1) and (y < 5) then
   print(y)
end