if(1)
	*| a
		| -> a
*| b
	| -> b
:@choice = 1
---
if(1, $*| a)
	| -> a
*| b
	| -> b
choice = 2
---
if((), $*| a)
	| -> a
*| b
	| -> b
choice = 1
---
*| a
	| -> a
25 # *| b
	| -> b
choice = 2
---
12 # if((), $*| a)
	| -> a
3 # *| b
	| -> b
choice = 1
---
12 # if(1, $*| a)
	| -> a
3 # *| b
	| -> b
choice = 1