a = list(map(int,input().split()))
count = 0
for i in a:
    j = int(i)
    if j % 3 == 0:
        count += 4
    if j % 5 == 0:
        count += 4
    if j % 3 != 0 and j % 5 != 0:
        count += len(i)
print(count)