1788
1
=
17
−
8
−
8
2
=
81
+
7
8
3
=
81
−
78
4
=
17
−
8
8
5
=
8
−
17
−
8
6
=
87
−
81
7
=
71
−
8
⋅
8
8
=
81
+
7
−
8
9
=
17
−
8
⋅
8
10
=
81
−
7
+
8
11
=
81
+
7
8
12
=
17
⋅
8
+
8
13
=
17
+
8
+
8
14
=
7
−
1
8
+
8
15
=
8
−
1
7
+
8
16
=
17
−
8
8
17
=
88
−
71
18
=
8
8
+
17
19
=
18
−
7
+
8
20
=
(
7
8
+
1
)
⋅
8
21
=
8
+
8
+
17
22
=
7
−
1
+
8
+
8
23
=
1
⋅
7
+
8
+
8
24
=
17
−
8
⋅
8
25
=
81
−
7
⋅
8
26
=
78
81
27
=
8
+
8
⋅
7
−
1
28
=
1
⋅
8
+
8
⋅
7
29
=
87
81
30
=
8
+
8
!
−
1
+
7
31
=
7
8
−
18
32
=
(
7
−
81
)
⋅
8
33
=
17
+
8
+
8
34
=
8
+
8
⋅
17
35
=
7
!
18
8
36
=
(
7
−
1
8
)
8
37
=
?
38
=
7
⋅
8
−
18
39
=
81
8
−
7
!
40
=
17
+
8
⋅
8
41
=
(
8
−
1
)
⋅
7
−
8
42
=
7
8
+
1
−
8
43
=
81
!
8
+
7
44
=
(
7
−
1
)
8
+
8
45
=
(
7
+
8
)
⋅
81
46
=
7
8
−
81
47
=
8
⋅
8
−
17
48
=
(
7
−
1
8
)
⋅
8
49
=
7
⋅
8
+
1
−
8
50
=
81
!
⋅
7
+
8
51
=
?
52
=
7
8
+
81
53
=
7
⋅
8
−
81
54
=
?
55
=
71
−
8
−
8
56
=
(
8
−
1
7
)
⋅
8
57
=
(
8
−
1
)
⋅
7
+
8
58
=
8
⋅
8
+
1
−
7
59
=
7
⋅
8
+
81
60
=
78
−
18
61
=
?
62
=
7
⋅
8
+
81
!
63
=
71
−
8
⋅
8
64
=
8
81
−
7
65
=
81
⋅
8
−
7
66
=
81
−
7
−
8
67
=
71
−
8
+
8
68
=
8
+
8
⋅
17
69
=
87
−
18
70
=
(
18
−
8
)
⋅
7
71
=
88
−
17
72
=
(
17
−
8
)
⋅
8
73
=
8
+
8
+
71
74
=
7
⋅
8
+
18
75
=
78
−
81
76
=
?
77
=
78
−
1
8
78
=
87
−
81
79
=
1
8
+
78
80
=
81
+
7
−
8
81
=
8
⋅
8
+
17
82
=
81
−
7
+
8
83
=
81
!
!
8
−
7
84
=
87
−
81
85
=
78
−
1
+
8
86
=
78
⋅
1
+
8
87
=
78
+
81
88
=
(
18
−
7
)
⋅
8
89
=
1
7
+
88
90
=
81
+
87
91
=
(
7
−
1
)
!
+
8
8
92
=
?
93
=
81
!
+
87
94
=
87
−
1
+
8
95
=
87
⋅
1
+
8
96
=
18
+
78
97
=
81
!
!
8
+
7
98
=
(
7
−
1
)
!
8
+
8
99
=
?
100
=
(
81
+
7
)
8