import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

N = [int(x) - ord('0') for x in read().rstrip()]

G = [1,0,0,0,1,0,1,0,2,1]

nums = len(N)
holes = sum(G[n] for n in N)

a,b = nums, holes + 1

answer = min(a+a+b, b+b+a)

print(answer)