Program hotrotinhoc;
var s: string;
begin
write('Nhap xau : '); readln(s);
write('Do dai cua xau la : ',length(s));
readln
end.
uses crt;
var st:string;
d:integer;
begin
clrscr;
write('nhap xau:'); readln(st);
d:=length(st);
writeln('Do dai cua xau ',st,' la: ',d);
readln;
end.