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

for i in range(len(A)):
    if A[i] % 5 == 0 and A[i] % 3 == 0:
        ans += 8
    elif A[i] % 5 == 0 or A[i] % 3 == 0:
        ans += 4
    else:
        ans += len(str(A[i]))

print(ans)