diff --git a/Queue Using Stacks/Queue Using Stacks - Costly Dequeue.cpp b/Queue Using Stacks/Queue Using Stacks - Costly Dequeue.cpp
new file mode 100644
index 0000000..e797fbf
--- /dev/null
+++ b/Queue Using Stacks/Queue Using Stacks - Costly Dequeue.cpp	
@@ -0,0 +1,44 @@
+#include <bits/stdc++.h>
+using namespace std;
+ 
+struct Queue {
+    stack<int> s1, s2;
+ 
+    void enQueue(int x)
+    {
+        s1.push(x);
+    }
+
+    int deQueue()
+    {
+        if (s1.empty() && s2.empty()) {
+            cout << "Q is empty";
+            exit(0);
+        }
+
+        if (s2.empty()) {
+            while (!s1.empty()) {
+                s2.push(s1.top());
+                s1.pop();
+            }
+        }
+
+        int x = s2.top();
+        s2.pop();
+        return x;
+    }
+};
+
+int main()
+{
+    Queue q;
+    q.enQueue(1);
+    q.enQueue(2);
+    q.enQueue(3);
+ 
+    cout << q.deQueue() << '\n';
+    cout << q.deQueue() << '\n';
+    cout << q.deQueue() << '\n';
+ 
+    return 0;
+}
\ No newline at end of file
diff --git a/Queue Using Stacks/Queue Using Stacks - Costly Enqueue.cpp b/Queue Using Stacks/Queue Using Stacks - Costly Enqueue.cpp
new file mode 100644
index 0000000..1d56013
--- /dev/null
+++ b/Queue Using Stacks/Queue Using Stacks - Costly Enqueue.cpp	
@@ -0,0 +1,47 @@
+#include <bits/stdc++.h>
+using namespace std;
+ 
+struct Queue {
+    stack<int> s1, s2;
+ 
+    void enQueue(int x)
+    {
+        while (!s1.empty()) {
+            s2.push(s1.top());
+            s1.pop();
+        }
+ 
+        s1.push(x);
+ 
+        while (!s2.empty()) {
+            s1.push(s2.top());
+            s2.pop();
+        }
+    }
+
+    int deQueue()
+    {
+        if (s1.empty()) {
+            cout << "Q is Empty";
+            exit(0);
+        }
+ 
+        int x = s1.top();
+        s1.pop();
+        return x;
+    }
+};
+
+int main()
+{
+    Queue q;
+    q.enQueue(1);
+    q.enQueue(2);
+    q.enQueue(3);
+ 
+    cout << q.deQueue() << '\n';
+    cout << q.deQueue() << '\n';
+    cout << q.deQueue() << '\n';
+ 
+    return 0;
+}
\ No newline at end of file