PRINT "First line."
GOSUB sub1
PRINT "Fifth line."
GOTO Ending

sub1:
PRINT "Second line."
GOSUB sub2
PRINT "Fourth line."
RETURN

Ending:
PRINT "We're just about done..."
GOTO Finished

sub2:
PRINT "Third line."
RETURN

Finished:
PRINT "... with goto and gosub, thankfully."
END