0	0
10	0
10.0001	-100
10.5	-100
10.5001	-97.5
11	-97.5
11.0001	-95
11.5	-95
11.5001	-92.5
12	-92.5
12.0001	-90
12.5	-90
12.5001	-87.5
13	-87.5
13.0001	-85
13.5	-85
13.5001	-82.5
14	-82.5
14.0001	-80
14.5	-80
14.5001	-77.5
15	-77.5
15.0001	-75
15.5	-75
15.5001	-72.5
16	-72.5
16.0001	-70
16.5	-70
16.5001	-67.5
17	-67.5
17.0001	-65
17.5	-65
17.5001	-62.5
18	-62.5
18.0001	-60
18.5	-60
18.5001	-57.5
19	-57.5
19.0001	-55
19.5	-55
19.5001	-52.5
20	-52.5
20.0001	-50
20.5	-50
20.5001	-47.5
21	-47.5
21.0001	-45
21.5	-45
21.5001	-42.5
22	-42.5
22.0001	-40
22.5	-40
22.5001	-37.5
23	-37.5
23.0001	-35
23.5	-35
23.5001	-32.5
24	-32.5
24.0001	-30
24.5	-30
24.5001	-27.5
25	-27.5
25.0001	-25
25.5	-25
25.5001	-22.5
26	-22.5
26.0001	-20
26.5	-20
26.5001	-17.5
27	-17.5
27.0001	-15
27.5	-15
27.5001	-12.5
28	-12.5
28.0001	-10
28.5	-10
28.5001	-7.5
29	-7.5
29.0001	-5
29.5	-5
29.5001	-2.5
30	-2.5
30.0001	0
30.5	0
30.5001	2.5
31	2.5
31.0001	5
31.5	5
31.5001	7.5
32	7.5
32.0001	10
32.5	10
32.5001	12.5
33	12.5
33.0001	15
33.5	15
33.5001	17.5
34	17.5
34.0001	20
34.5	20
34.5001	22.5
35	22.5
35.0001	25
35.5	25
35.5001	27.5
36	27.5
36.0001	30
36.5	30
36.5001	32.5
37	32.5
37.0001	35
37.5	35
37.5001	37.5
38	37.5
38.0001	40
38.5	40
38.5001	42.5
39	42.5
39.0001	45
39.5	45
39.5001	47.5
40	47.5
40.0001	50
40.5	50
40.5001	52.5
41	52.5
41.0001	55
41.5	55
41.5001	57.5
42	57.5
42.0001	60
42.5	60
42.5001	62.5
43	62.5
43.0001	65
43.5	65
43.5001	67.5
44	67.5
44.0001	70
44.5	70
44.5001	72.5
45	72.5
45.0001	75
45.5	75
45.5001	77.5
46	77.5
46.0001	80
46.5	80
46.5001	82.5
47	82.5
47.0001	85
47.5	85
47.5001	87.5
48	87.5
48.0001	90
48.5	90
48.5001	92.5
49	92.5
49.0001	95
49.5	95
49.5001	97.5
50	97.5
50.0001	100
51	100