Aluminum Joinery

volume = int(input())
size = input()
delivery = input()
sum = 0

if volume <= 10:
    print('Invalid order')
else:
    if size == '90X130':
        sum = 110
        if 30 < volume <= 60:
            sum *= 0.95
        elif volume > 60:
            sum *= 0.92

    elif size == '100X150':
        sum = 140
        if 40 < volume <= 80:
            sum *= 0.94
        elif volume > 80:
            sum *= 0.9

    elif size == '130X180':
        sum = 190
        if 20 < volume <= 50:
            sum *= 0.93
        elif volume > 50:
            sum *= 0.88

    elif size == '200X300':
        sum = 250
        if 25 < volume <= 50:
            sum *= 0.91
        elif volume > 50:
            sum *= 0.86

    total = sum * volume

    if delivery == 'With delivery':
        total += 60

    if volume > 99:
        total *= 0.96

    print(f'{total:.2f} BGN')