sms = int(input())
mins = int(input())

free_sms = 20
free_mins = 60
plan = 12
add_sms = sms - free_sms
add_mins = mins - free_mins

if add_sms > 0:
    sms_cost = 0.06 * add_sms

    #sms_cost = "{:.2f}".format(sms_cost)
    print(f'{add_sms} additional messages for {"{:.2f}".format(sms_cost)} levas')
else:
    add_sms = 0
    sms_cost = 0.00

    # sms_cost = "{:.2f}".format(sms_cost)
    print(f'{add_sms} additional messages for {"{:.2f}".format(sms_cost)} levas')

if add_mins > 0:
    mins_cost = 0.10 * add_mins

    # mins_cost = "{:.2f}".format(mins_cost)
    print(f'{add_mins} additional messages for {"{:.2f}".format(mins_cost)} levas')
else:
    add_mins = 0
    mins_cost = 0.00

    # mins_cost = "{:.2f}".format(mins_cost)
    print(f'{add_mins} additional messages for {"{:.2f}".format(mins_cost)} levas')

tax = 0.20 * (mins_cost + sms_cost)
# format_tax = "{:.2f}".format(tax)
print(f'{"{:.2f}".format(tax)} additional taxes')

total = plan + mins_cost + sms_cost + tax
# format_total = "{:.2f}".format(total)
print(f'{"{:.2f}".format(total)} total bill')