A = list(map(int, input().split()))
count = 0

for a in A:

    if a % 3 == 0 and a % 5 == 0:
        count += 8
        
    elif a % 5 == 0 or a % 3 == 0:
        count += 4
    
    else:
        count += len(str(a))
        
print(count)