if __name__ == '__main__':
    n = list(input())

    ans = 0
    all_12357 = True
    for str in n:
        if str == '0' or str == '4' or str == '6' or str == '9' or str == '8':
            all_12357 = False
            break

    if all_12357:
        ans = len(n) + 2
    else:
        for i in range(0, len(n)):
            if n[i] == '1' or n[i] == '2' or n[i] == '3' or n[i] == '5' or n[i] == '7':
                ans += 2
            elif n[i] == '0' or n[i] == '4' or n[i] == '6' or n[i] == '9':
                ans += 3
            else:
                ans += 4
        ans += 1

    print(ans)