const n = 1; m = 1020;
var
  b: array [1..n, 1..m] of real;
  i, j, c: integer;
begin
  randomize;
  for i := 1 to n do
    for j := 1 to m do
      b[i, j] := Random(1001) - 500;
  
  for i := 1 to n do
    for j := 1 to m do begin
      b[i, j] := (Sign(b[i, j]) + 1) shr 1;
      c := c + Trunc(b[i, j]);
    end;
    
  writeln(c, ' единиц.');
end.