[marek@nos proc]$ fpc proc02
Free Pascal Compiler version 1.9.4 [2004/05/30] for i386
Copyright (c) 1993-2004 by Florian Klaempfl
Target OS: Linux for i386
Compiling proc02.pas
proc02.pas(12,5) Note: Local variable "y" is assigned but never used
proc02.pas(13,5) Note: Local variable "j" is assigned but never used
proc02.pas(10,5) Note: Local variable "r" not used
proc02.pas(10,8) Note: Local variable "s" not used
Linking proc02
24 Lines compiled, 0.0 sec

[marek@nos proc]$ ./proc02
i=     1, j=     2, x=  5.00, y=  6.00