function num(const str : string);
var
i : integer;
lenStr : integer;
begin
lenStr := length(str);
num := 0;
for i := 1 to lenStr do
if (str[i] = ' ') then
inc(num);
end;
function num(const str : string);
var
i : integer;
lenStr : integer;
begin
lenStr := length(str);
num := 0;
for i := 1 to lenStr do
if (str[i] = ' ') then
inc(num);
end;