#int(input())
#map(int, input().split())
#list(map(int, input().split()))

n = input()

ans = 2 * len(n) + 1

c = [1, 0, 0, 0, 1, 0, 1, 0, 2, 1]

for i in range(len(n)):
    ans += c[int(n[i])]

ans1 = 2 + len(n)

for i in range(len(n)):
    ans1 += c[int(n[i])] * 2

print(min(ans, ans1))