def solve():
    li = input().split(' ')
    cnt = 0
    for s in li:
        n = int(s)
        if (n % 3 == 0 and n % 5 == 0):
            cnt += 8  # FizzBuzz
        elif (n % 3 == 0 or n % 5 == 0):
            cnt += 4  # Fizz or Buzz
        else:
            cnt += len(s)

    print(cnt)


solve()