diff --git a/Addsub.cpp b/Addsub.cpp
new file mode 100644
index 0000000..18a1af3
--- /dev/null
+++ b/Addsub.cpp
@@ -0,0 +1,13 @@
+#include<iostream.h>	
+	
+int main()
+{
+ int a=31, b=8;
+ int c d;
+ c=a+b;
+ d=a-b;
+ cout<<"the sum is "<<c;
+ cout<<"the difference is"<<d;
+ return 0;
+
+}
diff --git a/Doubly.cpp b/Doubly.cpp
deleted file mode 100644
index c65e6e0..0000000
--- a/Doubly.cpp
+++ /dev/null
@@ -1,44 +0,0 @@
-struct node{
-	int data;
-	node *prev;
-	node *next;
-}
-
-class doubly_ll{
-	node *start;
-public:
-	doubly_ll(){
-		start = NULL;
-	}
-	void add_begin(int n);
-}
-
-void doubly_ll::add_begin(int n)
-{
-	if(start==null)
-	{
-		start->data = n;
-		start->prev = NULL;
-		start->next = NULL;
-	}
-	else
-	{
-		node *ptr = NULL;
-		ptr->data = n;
-		ptr->prev = NULL;
-		ptr->next = start;
-		start->prev=ptr;
-		start=ptr; 
-	}
-}
-
-int main()
-{
-	int data,i;
-	doubly_ll list;
-	cout<<"Enter data"<<endl;
-	for(i=1;i<=5;i++)
-	{
-		
-	}
-}
\ No newline at end of file