{$T-}
program SUPERMAC_FORMATTER;
const NL=CHR(10); HT=CHR(9); CR=CHR(13); BLANK=CHR(32); DEL=CHR(127);
var CH:CHAR; C,TAB:INTEGER;
FILENAME: array [1..32] of CHAR;
INFILE,OUTFILE: TEXT;
procedure TABLOC(C:CHAR);
  var L,K,EQUAL:INTEGER; CH:CHAR;
  INSTRUCTION: array [0..2] of CHAR;
  type MTAB=array [0..10] of array [0..2] of CHAR;
  const SPEC=MTAB(
  'PRO','REP','UNT','CAS','WHI','IF ','FI ','END','ON.','ELS','THR');
begin
L:=1; INSTRUCTION[0]:=C;
while L<=2 do begin
  CH:=INFILE@; if (CH#CR) & (CH#NL) then GET(INFILE) else CH:=BLANK;
  INSTRUCTION[L]:=CH; L:=L+1;
end;
L:=-1;
repeat
L:=L+1;
K:=0;
EQUAL:=0;
while (K<=2) & (EQUAL=0) do
  begin if SPEC[L,K]#INSTRUCTION[K] then EQUAL:=1; K:=K+1 end;
until (EQUAL=0) ! (L>10);
case L of
  0,1,3,4,5,8,10:begin WRITE(OUTFILE,'  '); TAB:=TAB+2 end;
  2,6,7:TAB:=TAB-2;
  9:TAB:=TAB;
 11:WRITE(OUTFILE,'  ')
end;
WRITE(OUTFILE,INSTRUCTION)
end;

begin
WRITE(OUT,NL,CR,'FILE NAME='); BREAK(OUT);
C:=0;
repeat
  READ(INP,CH);
    if CH#DEL then
      begin
        C := C + 1;
        FILENAME[C] := CH
      end
    else if C # 0 then
      begin
        CH := FILENAME[C];
        C := C - 1;
        WRITE(OUT,'/',CH,'/'); BREAK(OUT)
      end;
until CH=CR;
while C<=32 do begin FILENAME[C]:=BLANK; C:=C+1 end;
RESET(INFILE,FILENAME); 
REWRITE(OUTFILE,'OUTFILE.MAC ');
TAB:=0;
while ~EOF(INFILE) do begin
  repeat
   C:=0;
    READ(INFILE,CH);
    if CH=BLANK then C:=1;
    if CH=HT then C:=1;
    if CH=NL then C:=1;
  until EOF(INFILE) ! (C=0);
  C:=0; while C<=TAB do begin WRITE(OUTFILE,BLANK); C:=C+1; end;
  TABLOC(CH);
  while ~EOF(INFILE) & (CH#NL) do begin
    READ(INFILE,CH); WRITE(OUTFILE,CH);
  end;
BREAK(OUTFILE);
  if TAB<0 then begin
    TAB:=0; WRITE(OUT,'EXTRA END, FI, OR UNTIL',NL,CR);
    BREAK(OUT);
  end;
end;
if TAB#0 then begin
  WRITE(OUT,'EXTRA PROC, WHILE, REPEAT, FOR, CASE, OR FI',NL,CR);
  BREAK(OUT);
end;
WRITE(OUT,NL,CR,'PROCESSING OF ',FILENAME,NL,CR);
WRITE(OUT,'IS COMPLETE.',NL,CR);
BREAK(OUT);
end.