day04.py

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

z = """2-4,6-8
2-3,4-5
5-7,7-9
2-8,3-7
6-6,4-6
2-6,4-8"""

x = z

count = 0

for y in x.split("\n"):
    left, right = y.split(",")

    i1l, i1r = list(map(int, left.split("-")))
    i2l, i2r = list(map(int, right.split("-")))

    if i1l <= i2l <= i1r or i1l <= i2r <= i1r or i2l <= i1l <= i2r or i2l <= i1r <= i2r:
        count += 1


print(count)