weight = int(input()) is_urgent = input() base_fee = 8 if weight <= 1000: fee = base_fee else: extra_weight = weight - 1000 # 计算超重部分需要额外加收的费用，不足500克部分按500克计算 extra_fee = (extra_weight + 499) // 500 * 4 fee = base_fee + extra_fee if is_urgent == 'y': fee += 5