repainting

nylon = int(input())
paint = int(input())
liquid = int(input())
hours_for_workers = int(input())
more_nylon = (nylon + 2) * 1.5
more_paint = (paint + (paint / 10)) * 14.5
more_liqiud = liquid * 5
bag_price = 0.4
sum_of_all_materials = more_nylon + more_paint + bag_price + more_liqiud
payment_of_workers = (sum_of_all_materials * 0.3) * hours_for_workers
all_expences = sum_of_all_materials + payment_of_workers
print(all_expences)