XP gaining

xp_needed = float(input())
battles_count = int(input())
xp_gained = 0
done_battles = 0

for battle in range(1, battles_count + 1):
    if xp_gained >= xp_needed:
        break

    xp = float(input())
    done_battles += 1

    if battle % 5 == 0:
        xp_gained += xp * 0.9
    elif battle % 3 == 0:
        xp_gained += xp * 1.15
    else:
        xp_gained += xp


if xp_gained >= xp_needed:
    print(f"Player successfully collected his needed experience for {done_battles} battles.")
else:
    print(f"Player was not able to collect the needed experience, {(xp_needed - xp_gained):.2f} more needed.")