program rechennia;

var s: string;

i,k,l: integer;

begin

repeat

writeln ('vvedit rechennia');

readln (s);

l:=length (s);

until s[l]='.';

delete (s,l,1);

l:=l-1;

k:=0;

for i:=1 to l do

if s[i]=' ' then k:=k+1;

writeln ('sliv - ',k+1);

readln

end.