1557
1
=
17
5
−
5
2
=
71
−
55
3
=
15
−
5
−
7
4
=
71
−
55
5
=
75
15
6
=
57
−
51
7
=
17
−
5
−
5
8
=
5
⋅
5
−
17
9
=
71
+
5
+
5
10
=
15
5
+
7
11
=
5
−
1
5
+
7
12
=
17
−
5
⋅
5
13
=
15
+
5
−
7
14
=
75
5
−
1
15
=
75
⋅
1
5
16
=
71
−
55
17
=
15
−
5
+
7
18
=
5
5
+
17
19
=
5
⋅
5
+
1
−
7
20
=
5
⋅
7
−
15
21
=
15
5
⋅
7
22
=
5
⋅
5
+
17
23
=
(
1
+
5
)
⋅
5
−
7
24
=
75
−
51
25
=
5
7
−
1
⋅
5
26
=
5
7
−
5
+
1
27
=
15
+
5
+
7
28
=
(
5
−
1
5
)
⋅
7
29
=
5
⋅
7
−
1
−
5
30
=
(
7
−
5
)
⋅
15
31
=
5
⋅
5
−
1
+
7
32
=
1
⋅
5
⋅
5
+
7
33
=
57
−
(
5
−
1
)
!
34
=
5
⋅
7
−
1
5
35
=
175
5
36
=
1
5
+
5
⋅
7
37
=
157
−
5
!
38
=
55
−
17
39
=
51
−
5
−
7
40
=
(
15
−
7
)
⋅
5
41
=
5
!
5
+
17
42
=
57
−
15
43
=
1
5
+
7
!
5
!
44
=
5
!
−
71
−
5
45
=
5
!
−
75
⋅
1
46
=
71
−
5
⋅
5
47
=
55
−
1
−
7
48
=
55
⋅
1
−
7
49
=
51
+
5
−
7
50
=
5
⋅
7
+
15
51
=
57
−
1
−
5
52
=
57
⋅
1
−
5
53
=
51
−
5
+
7
54
=
55
−
1
7
55
=
175
−
5
!
56
=
1
7
+
55
57
=
1
5
⋅
57
58
=
1
5
+
57
59
=
5
−
1
+
57
60
=
75
−
15
61
=
55
−
1
+
7
62
=
55
⋅
1
+
7
63
=
51
+
5
+
7
64
=
5
!
−
(
57
−
1
)
65
=
(
1
+
5
+
7
)
⋅
5
66
=
71
−
5
⋅
5
67
=
7
!
−
551
68
=
15
⋅
5
−
7
69
=
75
−
1
−
5
70
=
(
15
−
5
)
⋅
7
71
=
71
−
5
+
5
72
=
15
+
57
73
=
75
−
5
−
1
74
=
75
−
1
5
75
=
1
5
⋅
75
76
=
1
5
+
75
77
=
5
−
1
+
75
78
=
5
!
−
(
1
+
5
)
⋅
7
79
=
75
−
1
+
5
80
=
17
⋅
5
−
5
81
=
71
+
5
+
5
82
=
15
⋅
5
+
7
83
=
?
84
=
5
!
−
(
5
⋅
7
+
1
)
85
=
5
⋅
5
⋅
17
86
=
5
⋅
7
+
51
87
=
?
88
=
?
89
=
5
!
−
(
5
−
1
)
!
−
7
90
=
15
+
75
91
=
5
!
−
5
!
⋅
7
+
1
92
=
5
!
−
(
5
−
1
)
⋅
7
93
=
7
!
5
!
+
51
94
=
?
95
=
5
!
5
+
71
96
=
5
⋅
5
+
71
97
=
?
98
=
5
!
−
15
−
7
99
=
(
5
−
1
)
!
+
75
100
=
15
⋅
7
−
5