reversal of strings pascal code example

Example: reversal of strings pascal

program Q2;
var iLoop : Integer;
    sSentence : String;
    sReverse : String;
    sWord : String;
    sBack : String;

begin
  Write('Enter a sentence:');    ReadLn(sSentence);
  Write('Enter a word:');        Read(sWord);

  sReverse := '';
  For iLoop := iLoop to Length(sWord) do
      sReverse := sSentence[iLoop] + sReverse;

  sBack := '';
  For iLoop := Length(sSentence) downto 0 do 
      sBack := sBack+sWord[iLoop];

  WriteLn('Reversed:  ', sReverse);
  WriteLn('Word-Back: ', sBack);

  IF (sReverse = sSentence) 
  then writeLn('Palindrome Sentence');

  if (sBack = sWord) 
  then writeLn('Palindrome Word')
  else writeLn('Not a palindrome');

  ReadLn;
end.