int len = textBox1->Text->Length;
                 array<int>^ prom=gcnew array<int>(len);
                 array<String^>^ as;
                 array<Char>^ ar;
                 ar = gcnew array<Char>(1);
                 ar[0] = ' ';
                 if (len != 0){
                     as = textBox1->Text->Split(ar);
                     int k = sizeof(as) / sizeof(as[0]);
                     for (int i = 0; i<k+1; i++)
                     {
                         prom[i] = Convert::ToInt32(as[i]);
                         i++;
                     }
                     int temp;

                     for (int i = 0; i<k; i++)
                     {
                         if (prom[i] < 0 && prom[i + 1] >= 0)
                             temp = prom[i];
                         prom[i] = prom[i + 1];
                         prom[i + 1] = temp;
                         i++;
                     }

                 }
                 textBox2->Text = Convert::ToString(prom);