const
delimiter = [#32, ','];
type
TWords = array[1 .. 50] of string;
function GetWords(s: string; var words: TWords): integer;
var
i, back, n: integer;
begin
i := 1;
n := 0;
while i <= length(s) do begin
while (i <= length(s)) and (s[i] in delimiter) do inc(i);
if i <= length(s) then begin
back := i;
while (i <= length(s)) and not(s[i] in delimiter) do inc(i);
inc(n);
words[n] := copy(s, back, i - back);
end;
end;
GetWords := n;
end;
var
s: string;
words: TWords;
i: integer;
begin
write('s = '); readln(s);
for i := 1 to GetWords(s, words) do
if length(words[i]) <> 5 then writeln(words[i], ' ');
readln;
end.