# import sys; input = sys.stdin.buffer.readline
# sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

#処理内容
def main():
	A = getlist()
	ans = 0
	for i in A:
		if i % 3 == 0 and i % 5 == 0:
			ans += 8
		elif i % 3 == 0 or i % 5 == 0:
			ans += 4
		else:
			ans += len(str(i))

	print(ans)


if __name__ == '__main__':
	main()