Мне нужна надо решить все задачи

Var
    A: array[1..100, 1..100] of integer;
    B: array[1..100]of integer;
    i, j, k, n, m, imax: integer;
    manual: boolean;

begin
    writeln('Ручной ввод (true/false)==>');
    read(manual);
    
    if manual then begin
        writeln('Размер массива n, m ==>');
        read(n, m);
    end
    else begin
        n := random(10) + 5;
        m := random(10) + 5;
    end;
    
    for i := 1 to n do
    begin
        writeln();
        for j := 1 to m do
        begin
            if manual then
                read(a[i, j])
            else begin
                a[i, j] := random(100) - 50;
                write(a[i, j]:3, ' ');
            end;
        end;
    end;
    
    writeln();
    writeln();
    
    for j := 1 to m do
        if j mod 2 = 1 then begin
            k := k + 1;
            b[k] := 1;
            for i := 1 to n do
                b[k] := b[k] * a[i, j];
            write(b[k], ' ');
        end;
    
    writeln();
    
    for i := 1 to k - 1 do
    begin
        imax := i;
        for j := i + 1 to k do
            if b[j] > b[imax] then
                imax := j;
        n := b[i];
        b[i] := b[imax];
        b[imax] := n;
    end;
    
    for i := 1 to k do
        write(b[i], ' ');
end.

Var
    A: array[1..100, 1..100] of integer;
    B: array[1..100]of integer;
    i, j, k, n, m, imax: integer;
    manual: boolean;

begin
    writeln('Ручной ввод (true/false)==>');
    read(manual);
    
    if manual then begin
        writeln('Размер массива n, m ==>');
        read(n, m);
    end
    else begin
        n := random(10) + 5;
        m := random(10) + 5;
    end;
    
    for i := 1 to n do
    begin
        writeln();
        for j := 1 to m do
        begin
            if manual then
                read(a[i, j])
            else begin
                a[i, j] := random(100) - 50;
                write(a[i, j]:3, ' ');
            end;
        end;
    end;
    
    writeln();
    writeln();
    
    for j := 1 to m do
        if j mod 2 = 1 then begin
            k := k + 1;
            b[k] := 1;
            for i := 1 to n do
                b[k] := b[k] * a[i, j];
            write(b[k], ' ');
        end;
    
    writeln();
    
    for i := 1 to k - 1 do
    begin
        imax := i;
        for j := i + 1 to k do
            if b[j] > b[imax] then
                imax := j;
        n := b[i];
        b[i] := b[imax];
        b[imax] := n;
    end;
    
    for i := 1 to k do
        write(b[i], ' ');
end.