##### LM #####
while 0
	print( '0\n' )

global I: int = 3

int f()
{
	I = I - 1
	print( ' ' I )
}

# simple expr and stmt
while I
	f()
print( '\n' )

# compound stmt list
I = 3
while I
{
	I = I - 1
	print( ' ' I )
}
print( '\n' )

# paren expr
I = 3
while ( I )
	f()
print( '\n' )

# expr with computation
I = 3
while ( I + 1 )
	f()
print( '\n' )

# computation and stmt list
I = 3
while ( I + 2 )
{
	I = I - 1
	print( ' ' I )
}
print( '\n' )
##### EXP #####
 2 1 0
 2 1 0
 2 1 0
 2 1 0 -1
 2 1 0 -1 -2