2224
1
=
24
2
−
2
2
=
24
−
22
3
=
22
−
4
2
4
=
22
−
2
−
4
5
=
22
−
2
4
6
=
22
+
2
4
7
=
22
2
−
4
8
=
22
+
42
9
=
22
−
4
2
10
=
24
2
−
2
11
=
242
2
12
=
22
+
2
4
13
=
22
+
4
2
14
=
22
−
2
⋅
4
15
=
22
2
+
4
16
=
22
−
2
−
4
17
=
2
2
+
2
4
18
=
22
−
2
−
4
19
=
42
2
−
2
20
=
42
−
22
21
=
22
−
2
4
22
=
242
⋅
2
23
=
24
−
2
2
24
=
22
−
2
+
4
25
=
2
2
+
24
26
=
22
2
+
4
27
=
2
2
+
2
+
4
!
28
=
22
+
2
+
4
29
=
?
30
=
2
⋅
4
+
22
31
=
2
4
!
−
2
2
32
=
(
2
+
2
)
⋅
2
⋅
4
33
=
2
4
!
+
2
2
34
=
4
!
2
+
22
35
=
22
2
+
4
!
36
=
(
22
−
4
)
⋅
2
37
=
?
38
=
2
4
+
22
39
=
?
40
=
22
⋅
2
−
4
41
=
42
−
2
2
42
=
42
2
⋅
2
43
=
2
2
+
42
44
=
22
2
⋅
4
45
=
?
46
=
22
+
24
47
=
2
⋅
4
!
−
2
2
48
=
22
⋅
2
+
4
49
=
2
2
+
2
⋅
4
!
50
=
24
⋅
2
+
2
51
=
?
52
=
(
22
+
4
)
⋅
2
53
=
?
54
=
(
2
+
4
!
)
⋅
2
+
2
55
=
?
56
=
(
2
+
2
+
4
!
)
⋅
2
57
=
?
58
=
?
59
=
?
60
=
(
2
2
+
4
)
!
2
61
=
?
62
=
2
2
+
4
−
2
63
=
2
4
!
−
2
2
64
=
22
+
42
65
=
2
2
+
2
4
!
66
=
(
2
+
2
)
!
+
42
67
=
?
68
=
22
⋅
2
+
4
!
69
=
?
70
=
2
⋅
4
!
+
22
71
=
?
72
=
(
2
+
4
)
2
⋅
2
73
=
?
74
=
?
75
=
?
76
=
?
77
=
?
78
=
?
79
=
?
80
=
(
22
−
2
)
⋅
4
81
=
(
2
2
+
2
)
4
82
=
42
⋅
2
−
2
83
=
?
84
=
42
2
⋅
2
85
=
?
86
=
22
⋅
4
−
2
87
=
?
88
=
(
42
+
2
)
⋅
2
89
=
?
90
=
22
⋅
4
+
2
91
=
?
92
=
(
22
+
4
!
)
⋅
2
93
=
?
94
=
(
2
+
2
)
⋅
4
!
−
2
95
=
?
96
=
(
22
+
2
)
⋅
4
97
=
?
98
=
(
2
+
2
)
⋅
4
!
+
2
99
=
?
100
=
(
2
⋅
4
+
2
)
2