super. I already tried it. and, know what?
dear @saint-nicolas, it worked almost perfectly! I pumped it like a baloon, it became bigger, fatter, nicer, but at 6,96 it said: phewwwwwww! and then, it said: ooooooopss, and... after that suddenly lost its weight to zero. what did I did wrong? and what now am I supposed to do?..