14
21
28
35
42
49
14
21
28
35
42
49
14
21
28
35
42
14
21
28
35
42
100000000
100000000
222
333
444
555
666
777
888
999
1110
1221
1332
1443
1554
1665
1776
1887
1998
2109
2220
2331
2442
2553
2664
2775
2886
2997
3108
3219
3330
222
333
444
555
666
777
888
999
1110
1221
1332
1443
1554
1665
1776
1887
1998
2109
2220
2331
2442
2553
2664
2775
2886
2997
3108
3219
3330
1000004
1500006
2000008
2500010
3000012
3500014
4000016
4500018
5000020
5500022
6000024
6500026
7000028
1000004
1500006
2000008
2500010
3000012
3500014
4000016
4500018
5000020
5500022
6000024
6500026
7000028
2
3
4
5
6
7
8
9
10
11
12
13
14
2
3
4
5
6
7
8
9
10
11
12
13
14
4
6
8
10
12
14
4
6
8
10
12
14
Instructor solution
Object-Oriented Programming (OOP) in Python presentation (pages 14, 15)
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