input:

20
10 4
1 82
3 75
6 58
8 53
10 6
1 77
2 74
3 69
4 59
5 55
7 38
10 6
3 60
4 60
6 50
8 36
9 27
10 2
10 5
2 86
5 75
6 42
7 29
8 12
10 7
2 84
3 63
5 52
6 47
7 31
8 18
9 10
10 4
3 73
4 64
6 43
9 26
10 2
8 19
9 7
10 6
3 88
4 88
5 88
6 81
7 76
9 29
10 3
3 66
7 27
10 11
10 6
3 83
5 58
6 55
7 51
8 49
9 31
10...

output:

164/519
151/410
200/521
93/247
184/457
200/501
200/321
200/679
200/407
40/117
200/4813
25/667
11/257
8/215
100/2267
50/1263
20/441
200/4511
200/3891
25/658

result:

ok 20 lines