2377
1
=
73
−
72
2
=
27
3
−
7
3
=
7
−
23
−
7
4
=
7
−
27
3
5
=
37
−
2
7
6
=
27
−
3
⋅
7
7
=
727
−
3
!
!
8
=
27
+
37
9
=
23
−
7
−
7
10
=
37
−
27
11
=
23
−
7
+
7
12
=
7
2
−
37
13
=
77
−
2
3
!
14
=
27
−
3
!
−
7
15
=
37
−
7
2
16
=
27
3
+
7
17
=
27
−
3
−
7
18
=
32
−
7
−
7
19
=
72
3
!
+
7
20
=
2
⋅
3
+
7
+
7
21
=
27
3
⋅
7
22
=
23
−
7
7
23
=
23
−
7
+
7
24
=
7
7
+
23
25
=
77
−
2
3
26
=
7
⋅
7
−
23
27
=
(
7
−
3
!
)
⋅
27
28
=
37
−
2
−
7
29
=
7
−
3
+
27
30
=
7
⋅
7
+
23
31
=
27
−
3
+
7
32
=
32
−
7
+
7
33
=
7
7
+
32
34
=
37
−
2
+
7
35
=
72
−
37
36
=
72
7
−
3
37
=
23
+
7
+
7
38
=
(
7
−
2
)
⋅
7
+
3
39
=
273
7
40
=
73
+
7
2
41
=
77
−
3
!
2
42
=
37
−
2
+
7
43
=
(
2
+
3
)
!
−
77
44
=
37
2
+
7
45
=
77
−
32
46
=
73
−
27
47
=
(
7
−
2
)
!
−
73
48
=
3
⋅
7
+
27
49
=
7
7
−
(
2
+
3
)
50
=
7
⋅
7
−
2
+
3
51
=
2
⋅
7
+
37
52
=
772
−
3
!
!
53
=
7
2
−
3
+
7
54
=
77
−
23
55
=
2
7
−
73
56
=
(
3
−
2
+
7
)
⋅
7
57
=
2
3
+
7
⋅
7
58
=
3
2
+
7
⋅
7
59
=
73
−
2
⋅
7
60
=
(
27
−
7
)
⋅
3
61
=
(
2
+
7
)
⋅
3
!
+
7
62
=
72
−
3
−
7
63
=
27
3
⋅
7
64
=
27
+
37
65
=
77
−
2
⋅
3
!
66
=
73
2
−
7
67
=
37
⋅
2
−
7
68
=
72
+
3
−
7
69
=
77
−
2
3
70
=
72
−
7
−
3
71
=
77
−
2
⋅
3
72
=
7
⋅
7
+
23
73
=
72
−
3
!
+
7
74
=
27
⋅
3
−
7
75
=
77
−
3
!
−
2
76
=
72
−
3
+
7
77
=
(
3
−
2
)
⋅
77
78
=
73
−
2
+
7
79
=
2
+
7
!
+
73
80
=
73
2
+
7
81
=
3
7
27
82
=
72
+
3
+
7
83
=
2
⋅
3
+
77
84
=
72
3
!
⋅
7
85
=
2
3
+
77
86
=
7
2
+
37
87
=
2
⋅
7
+
73
88
=
27
⋅
3
+
7
89
=
2
⋅
3
!
+
77
90
=
(
2
+
7
)
⋅
(
3
+
7
)
91
=
2
7
−
37
92
=
(
7
⋅
7
−
3
)
⋅
2
93
=
3
⋅
7
+
72
94
=
?
95
=
2
⋅
7
⋅
7
−
3
96
=
(
7
−
3
)
!
+
72
97
=
?
98
=
7
3
⋅
2
7
99
=
3
!
!
−
27
7
100
=
23
+
77