input_list = list(map(int,input().split()))

count = 0

for i in range(len(input_list)):
    cur = input_list[i]
    
    if cur % 15 == 0:
        count += 8
    elif cur % 3 == 0:
        count += 4
    elif cur % 5 == 0:
        count += 4
    else:
        count += len(str(cur))
        
res = count

print(res)