function getNbrDays(mois, annee)
    if (mois%2) ~= 0 or mois == 8 then
        return 31
    else
        if mois ~= 2 then return 30
        elseif(((annee%4) == 0 and (annee%100) ~= 0) or (annee%400) == 0) then return 29
        else return 28 end
    end
end


while 1 do
    screen:clear()

    screen:print(50, 50, getNbrDays(10, 2010), Color.new(255, 0, 0))


    screen.waitVblankStart()
    screen.flip()
end