//PascalABC.NET 3.1 сборка 1219
procedure PrintMatrix(a: array[,] of integer);
begin
    for var i := a.GetLowerBound(0) to a.GetUpperBound(0) do
    begin
        writeln;
        for var j := a.GetLowerBound(1) to a.GetUpperBound(1) do
            write(a[i, j], ' ');
    end;
    writeln;
end;

begin
    var a := MatrixRandom(9, 9, 10, 99);
    PrintMatrix(a);
    var i := (a.GetLowerBound(0) + a.GetUpperBound(0)) div 2 + (a.GetLowerBound(0) + a.GetUpperBound(0)) mod 2;
    var j := (a.GetLowerBound(1) + a.GetUpperBound(1)) div 2 + (a.GetLowerBound(1) + a.GetUpperBound(1)) mod 2;
    writeln('A[', i, ', ', j, '] = ', a[i, j]);
end.