10
100 enter
100 enter
100 enter
100 enter
100 enter
100 enter
100 enter
100 enter
100 enter
100 enter
10
101 enter
101 enter
101 enter
101 enter
101 enter
101 enter
101 enter
1001 enter
1001 enter
1001 enter
20
1000000001 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
5
1000000001 enter
1000000001 enter
1000000001 enter
1000000001 enter
1000000001 enter
10
1000000001 enter
1000000001 enter
1000000001 enter
1000000001 enter
1000000001 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
1000000000 enter
0