diff --git a/Lab5/image.cpp b/Lab5/image.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/Lab5/image.h b/Lab5/image.h
new file mode 100644
index 0000000..e69de29
diff --git a/Lab5/line.h b/Lab5/line.h
new file mode 100644
index 0000000..fb2613d
--- /dev/null
+++ b/Lab5/line.h
@@ -0,0 +1,21 @@
+/**
+ * @file line.h
+ * @author your name (you@domain.com)
+ * @brief 
+ * @version 0.1
+ * @date 2022-04-12
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+
+#include "shape.h"
+#include "matrix.h"
+
+class Line: public Shape{
+    public:
+
+    private:
+        
+
+}
\ No newline at end of file
diff --git a/Lab5/shape.cpp b/Lab5/shape.cpp
new file mode 100644
index 0000000..20ea8f5
--- /dev/null
+++ b/Lab5/shape.cpp
@@ -0,0 +1,15 @@
+/**
+ * @file shape.cpp
+ * @author your name (you@domain.com)
+ * @brief 
+ * @version 0.1
+ * @date 2022-04-12
+ * 
+ * @copyright Copyright (c) 2022
+ * 
+ */
+#include "shape.h"
+
+Shape::Shape(){
+    this->RGB = (uint32_t) 0x00FFFFFF;
+}
\ No newline at end of file
diff --git a/Lab5/shape.h b/Lab5/shape.h
new file mode 100644
index 0000000..92cddd9
--- /dev/null
+++ b/Lab5/shape.h
@@ -0,0 +1,30 @@
+#include <iostream>
+#include "x11context.h"
+
+using namespace std;
+
+class Shape{
+    public:
+        // Constructor
+        Shape();
+        // Copy Constructor
+        Shape(const Shape& from);
+        // Destructor
+        virtual ~Shape();
+        // Virtual Constructor
+        virtual Shape* clone();
+        // Draw shape
+        virtual void draw(GraphicsContext gc);
+        // Print to output stream
+        virtual void out(std::ostream& os, const Shape& rhs);
+
+
+    protected:
+        // Assignment Operator
+        Shape& operator=(const Shape& rhs);
+    private:
+        uint32_t RGB;
+};
+
+
+
diff --git a/Lab5/triangle.cpp b/Lab5/triangle.cpp
new file mode 100644
index 0000000..e69de29
diff --git a/Lab5/triangle.h b/Lab5/triangle.h
new file mode 100644
index 0000000..e69de29
diff --git a/Lecture/Week5/main.cpp b/Lecture/Week5/main.cpp
index f7aea8d..a8fbad1 100644
--- a/Lecture/Week5/main.cpp
+++ b/Lecture/Week5/main.cpp
@@ -1,4 +1,5 @@
 #include <iostream>
+#include <deque>
 using namespace std;
 class Pet{
     public:
@@ -10,6 +11,10 @@ class Cat: public Pet{
     public:
         int fish;
         void set_data(int data){fish = data;}
+    private:
+        Cat operator+(const Cat& rhs) const{
+
+        }
 };
 
 class Bird: public Pet{
@@ -19,10 +24,22 @@ class Bird: public Pet{
 
 };
 
-int main(){
-    Pet* C1 = new Cat;
-    Pet* C2 = new Cat;
-    C1->name = "Cat1";
-    C1->set_data(1);
+template<typename T>
+T doubler(T in){
+    T result;
+    result = in + in;
+    return result;
+}
 
+int main(){
+    // Pet* C1 = new Cat;
+    // Pet* C2 = new Cat;
+    // C1->name = "Cat1";
+    // C1->set_data(1);
+    // int result = doubler(3);
+    // cout << "result: " << result << endl;
+    deque<double> Q;
+    cout << "size :" << Q.size() << endl;
+
+    return 0;
 }
\ No newline at end of file