input:

17446
3 0
3 1
3 2
3 3
4 0
4 1
4 2
4 3
4 4
5 0
5 1
5 2
5 3
5 4
5 5
6 0
6 1
6 2
6 3
6 4
6 5
6 6
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
8 0
8 1
8 2
8 3
8 4
8 5
8 6
8 7
8 8
9 0
9 1
9 2
9 3
9 4
9 5
9 6
9 7
9 8
9 9
10 0
10 1
10 2
10 3
10 4
10 5
10 6
10 7
10 8
10 9
10 10
11 0
11 1
11 2
11 3
11 4
11 5
11 6
11 7
11...

output:

0
3
3
2
0
6
15
12
6
0
10
45
90
60
24
0
15
105
375
630
360
120
0
21
210
1155
3465
5040
2520
720
0
28
378
2940
13545
35280
45360
20160
5040
0
36
630
6552
42525
170100
393120
453600
181440
40320
0
45
990
13230
114345
643545
2286900
4762800
4989600
1814400
362880
0
55
1485
24750
273735
2047815
10239075
...

result:

wrong answer 1st numbers differ - expected: '1', found: '0'