var
  n, m, t, i, j:integer;
  a:array[1..100,1..100] of integer;
  b:array[1..100,1..100] of integer;
begin
  readln(n,m);
  for i := 1 to n  do
    for j := 1 to m  do
      read(a[i,j]);

  for i := 1 to n  do
    for j := 1 to m  do
      read(b[i,j]);

  for i := 1 to n  do
    begin
      for j := 1 to n  do
        write(a[i,j]+b[i,j] , ' ');
      writeln;
    end;
end.