diff --git a/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/FormBusCollection.cs b/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/FormBusCollection.cs
index b6e8277..5cfbb8e 100644
--- a/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/FormBusCollection.cs
+++ b/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/FormBusCollection.cs
@@ -43,7 +43,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base
             FormDoubleDeckerBus form = new();
             if (form.ShowDialog() == DialogResult.OK)
             {
-                if (_theBuses + form.SelectedBus)
+                if (_theBuses + form.SelectedBus != -1)
                 {
                     MessageBox.Show("Объект добавлен");
                     pictureBoxCollection.Image = _theBuses.ShowTheBuses();
@@ -62,13 +62,14 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base
         /// <param name="e"></param>
         private void ButtonDeleteBus_Click(object sender, EventArgs e)
         {
-            if (MessageBox.Show("Удалить объект?", "Удаление",
-            MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
+            if (MessageBox.Show("Удалить объект?", "Удаление", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
             {
                 return;
             }
+
             int pos = Convert.ToInt32(maskedTextBoxNumber.Text);
-            if (_theBuses - pos != null)
+
+            if (_theBuses - pos != true)
             {
                 MessageBox.Show("Объект удален");
                 pictureBoxCollection.Image = _theBuses.ShowTheBuses();
diff --git a/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs b/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs
index c041aca..d8ee52f 100644
--- a/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs
+++ b/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/SetGeneric.cs
@@ -37,13 +37,8 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// </summary>
         /// <param name="bus">Добавляемый автобус</param>
         /// <returns></returns>
-        public bool Insert(T bus)
+        public int Insert(T bus)
         {
-            if (_places[Count - 1] != null)
-            {
-                return false;
-            }
-
             return Insert(bus, 0);
         }
 
@@ -53,35 +48,36 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="bus">Добавляемый автобус</param>
         /// <param name="position">Позиция</param>
         /// <returns></returns>
-        public bool Insert(T bus, int position)
+        public int Insert(T bus, int position)
         {
-            if (position < 0 || position >= _places.Length)
+            int nullIndex = -1, i;
+
+            if (position < 0 || position >= Count)
             {
-                return false;
+                return -1;
             }
 
-            if (_places[position] != null)
+            for (i = position; i < Count; i++)
             {
-                int ind = position;
-
-                while (ind < Count && _places[ind] != null)
+                if (_places[i] == null)
                 {
-                    ind++;
+                    nullIndex = i;
+                    break;
                 }
+            }
 
-                if (ind == Count)
-                {
-                    return false;
-                }
+            if (nullIndex < 0)
+            {
+                return -1;
+            }
 
-                for (int i = ind - 1; i >= position; i--)
-                {
-                    _places[i + 1] = _places[i];
-                }
+            for (i = nullIndex; i > position; i--)
+            {
+                _places[i] = _places[i - 1];
             }
 
             _places[position] = bus;
-            return true;
+            return position;
         }
 
         /// <summary>
@@ -91,7 +87,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <returns></returns>
         public bool Remove(int position)
         {
-            if (position < 0 || position >= _places.Length || _places[position] == null)
+            if (position < 0 || position >= Count)
             {
                 return false;
             }
@@ -107,7 +103,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <returns></returns>
         public T? Get(int position)
         {
-            if (position < 0 || position >= _places.Length)
+            if (position < 0 || position >= Count)
             {
                 return null;
             }
diff --git a/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/TheBusesGenericCollection.cs b/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/TheBusesGenericCollection.cs
index 3eb9dea..16415d7 100644
--- a/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/TheBusesGenericCollection.cs
+++ b/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/PIbd-23_Ivanov_V.N._DoubleDeckerBus._Base/Generics/TheBusesGenericCollection.cs
@@ -63,14 +63,13 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="collect"></param>
         /// <param name="obj"></param>
         /// <returns></returns>
-        public static bool operator +(TheBusesGenericCollection<T, U> collect, T?
-        obj)
+        public static int operator +(TheBusesGenericCollection<T, U> collect, T? obj)
         {
             if (obj == null)
             {
-                return false;
+                return -1;
             }
-            return collect?._collection.Insert(obj) ?? false;
+            return collect._collection.Insert(obj);
         }
 
         /// <summary>
@@ -79,7 +78,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
         /// <param name="collect"></param>
         /// <param name="pos"></param>
         /// <returns></returns>
-        public static T? operator -(TheBusesGenericCollection<T, U> collect, int
+        public static bool operator -(TheBusesGenericCollection<T, U> collect, int
         pos)
         {
             T? obj = collect._collection.Get(pos);
@@ -87,7 +86,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
             {
                 collect._collection.Remove(pos);
             }
-            return obj;
+            return false;
         }
 
         /// <summary>
@@ -145,8 +144,7 @@ namespace PIbd_23_Ivanov_V.N._DoubleDeckerBus._Base.Generics
                 if (bus != null)
                 {
                     int inRow = _pictureWidth / _placeSizeWidth;
-                    bus.SetPosition((inRow - 1 - (i % inRow)) * _placeSizeWidth,
-                    i / inRow * _placeSizeHeight);
+                    bus.SetPosition((inRow - 1 - (i % inRow)) * _placeSizeWidth, i / inRow * _placeSizeHeight);
                     bus.DrawTransport(g);
                 }
             }