field turn: int field his_hist: int [] field my_hist: int [] field defect: int field flag: int def start() -> void : if turn<1: defect=1 flag=0 elseif turn<3: defect=0 flag=flag+his_hist[turn-1] else: flag=flag+his_hist[turn-1] if flag: defect=his_hist[turn-1] else: defect=1