N = list(input())
N = list(map(int, N))
L = [1, 0, 0, 0, 1, 0, 1, 0, 2, 1]
ans = 2 * len(N) + 1
for n in N:
    ans += L[n]

ans2 = 2 + len(N)
for n in N:
    ans2 += L[n] * 2
print(min(ans, ans2))