# -*- coding: utf-8 -*-

'''
数字のグループ分け
1,2,3,5,7
0,4,6,9
8
'''

n = input()
singles = ['0','4','6','9']
doubles = ['8']

answer = 0
# 文字自体の他色変更
answer += len(n)
# 背景の黒塗りつぶし
answer += 1
# 文字の中の図形の黒塗りつぶし
for c in n:
    if c in singles:
        answer += 1
    elif c in doubles:
        answer += 2
# 文字自体の白塗りつぶし
answer += len(n)

print(answer)