This is a copy of another problem.

	文件名	大小
	game1.ans	2 Bytes
	game1.in	40 Bytes
	game2.ans	42 Bytes
	game2.in	2.2 KiB
	game3.ans	2.5 KiB
	game3.in	153.4 KiB
	game4.ans	2 KiB
	game4.in	157.7 KiB
	game5.ans	2 KiB
	game5.in	69 KiB
	game6.ans	2 KiB
	game6.in	98.3 KiB
	game7.ans	2 KiB
	game7.in	93.3 KiB
	game8.ans	3 KiB
	game8.in	1.8 MiB
	game9.ans	2.9 KiB
	game9.in	39.3 MiB