Translate the following English sentence to French:
"On the other hand, whilst the accession of the candidate countries will give more young people access to the YOUTH programme and there will be an even richer exchange of experience, I have some doubts about whether the budget for the programme is enough to guarantee the success of this initiative."
D' autre part, l' entrée des pays candidats à l' adhésion permettra l' accès des plus jeunes au programme "Jeunesse" et l' échange d' expériences encore plus riches, mais le budget du programme laisse planer des doutes quant au succès de cette initiative.