input:

10000
1
2
3
4
5
6
7
8
9
10
11
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14
15
16
17
18
19
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84
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86
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90
91
92
93
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95
96
97
98
99
100
10...

output:

0
0
1
1
2
2
2
3
3
3
4
4
5
5
5
6
6
6
7
7
8
8
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37
37
38
38
38
39
39
40
40...

result:

wrong answer 1554th lines differ - expected: '572', found: '571'