I am assuming you were not asking for my mercy, but were trying to say 'thank you' - not in Greek, I should add, which is 'Ευχαριστώ, κύριε Πρόεδρε'!
Presupun că nu îmi cereaţi mila, ci încercaţi să spuneţi "mulţumesc” - nu în greacă, aş putea adăuga, care sună aşa "Ευχαριστώ, κύριε Πρόεδρε”!