block
	Window 900000,next
	Window 900001,yes,no
	Window_yes
	Endwindow 900002,ok
	Giveitem 990000,1
	Window_no
	Endwindow 900003,ok
block Item 990000 >= 1
	Endwindow 900004,ok
block Item 990001 == 1
	Window 990008,next
	Window 990009,next
	Window 990010,yes,no
	Window_yes
	Endwindow 990011,ok
	Killitem 990001,1
	Giveitem 990003,1
	Giveitem 990004,1
	Window_no
	Endwindow 990012,ok
block Item 990003 >= 1 && item 990004 >= 1
	Endwindow 990013,ok