Petya Gena love play table tennis a single match play accord follow rule match consist multiple set set consist multiple serve each serve win player player score point as soon player score t point win set set start score player set 0 as soon player win total s set win match match here s t positive integer numbersTo spice Petya Gena choose new number s t match besides sake history record match serve write winner Serve winner record chronological order in record set soon player score t point match soon player win s setsPetya Gena find record old match unfortunately sequence serve record is not divide set number s t give match lose the player wonder value s t can determine possible option