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
60000001	24
62500001	25
