var s:string;
i,t:integer;
begin
readln(s);
t:=0;
for i:=1 to length(s) do
begin
if s[i]=' ' then t:=t+1;
end;
writeln(t+1);
end.
var s:string;
i,t:integer;
begin
readln(s);
t:=0;
for i:=1 to length(s) do
begin
if s[i]=' ' then t:=t+1;
end;
writeln(t+1);
end.