var
i,kol:integer;
s:string;
begin
kol:=0;
s:='string.';
for i:=1 to length(s) do ;
if (s[i]='.') or (s[i]='!') or (s[i]='?') then inc(kol);
writeln(kol);
end.
var
i,kol:integer;
s:string;
begin
kol:=0;
s:='string.';
for i:=1 to length(s) do ;
if (s[i]='.') or (s[i]='!') or (s[i]='?') then inc(kol);
writeln(kol);
end.