input:

32
6
14
18
20
0
32
6
14
18
20
21
22
22
22
1
12
17
20
0
11
38
9
16
40
31
6
35
8
15
19
0
32
6
35
8
15
19
21

output:

? 500000000000
? 750000000000
? 875000000000
? 937500000000
? 968750000000
? 984375000000
? 992187500000
? 996093750000
? 998046875000
? 999023437500
? 999511718750
? 999755859375
? 999877929688
? 999938964844
? 999969482422
? 999984741211
? 999992370606
? 999996185303
? 999998092652
? 999999046326
...

result:

wrong answer Wrong answer: wrong lap length