program balloons;
var amount, maxWeigth, i, minimum, currentWeigth, maximum, outputAmount, minimumIndex:integer;
    weigth: array of integer;
    isMax:boolean;
begin
  readln(amount, maxWeigth);
  setlength(weigth, maxWeigth);
  maximum:=0;
  for i := 1 to amount do begin
    read(weigth[i]);
    if weigth[i]>maximum then
      maximum:=weigth[i];
  end;
  isMax:=false;
  while (not isMax) do begin
    minimum:=maximum;
    for i := 1 to amount do begin
      if (weigth[i]<minimum) and (weigth[i]<>0) then begin
        minimum:=weigth[i];
        minimumIndex:=i;
      end;
    end;
    weigth[minimumIndex]:=0;
    if currentWeigth+minimum<=maxWeigth then begin
      currentWeigth:=currentWeigth+minimum;
      outputAmount:=outputAmount+1;
      end
    else
      isMax:=true;
  end;
    writeln(outputAmount);
end.