program shulie(input,output);
var a,b,i:integer;
procedure shuchu(x,y:integer);
  var i,j:integer;
  begin
    for i:=1 to x do
      begin
      for j:=1 to y do
        write('#');
        writeln;
      end;
  end;
begin
  read(a,b);
  shuchu(a,b);
end.