program srtt;
var f,g:text;
    i,j,x,y,n,m,aux,z:integer;
    a:array[1..100] of integer;
    ok:boolean;
begin
  assign(f,'sortaret.in'); reset(f);
  assign(g,'sortaret.out'); rewrite(g);
  readln(f,n,m);
  for i:=1 to n do a[i]:=i;
  for i:=1 to m do
    begin
      readln(f,x,y);
      z:=0;
      for j:=1 to n do
        begin
          if a[j]=x then begin z:=1; break; end;
          if a[j]=y then begin z:=2; break; end;
        end;
      if z=2 then begin
                    z:=j;
                    for j:=z to n do if a[j]=x then break;
                    for aux:=j downto z+1 do a[aux]:=a[aux-1];
                    a[z]:=x;
                  end;
    end;
  for i:=1 to n do write(g,a[i],' ');
  close(f);
  close(g);
end.