1	0
2500001	1
5000001	2
7500001	3
10000001	4
12500001	5
15000001	6
17500001	7
20000001	8
22500001	9
25000001	10
27500001	11
30000001	12
32500001	13
35000001	14
37500001	15
40000001	16
42500001	17
45000001	18
47500001	19
50000001	20
52500001	21
55000001	22
57500001	23
