diff --git a/add.c b/add.c
index d30993c..6aa0d03 100644
--- a/add.c
+++ b/add.c
@@ -1,5 +1,5 @@
 #include <stdio.h>
-
+void main()
 int main() {
     int num1, num2, sum;
     
@@ -13,5 +13,5 @@ int main() {
     
     printf("The sum of %d and %d is %d.", num1, num2, sum);
     
-    return 0;
+    return 0; ::::
 }
diff --git a/mul.c b/mul.c
new file mode 100644
index 0000000..9eab3cf
--- /dev/null
+++ b/mul.c
@@ -0,0 +1,16 @@
+#include <stdio.h>
+int main() {
+    double a, b, product;
+    printf("Enter two numbers: ");
+    scanf("%lf %lf", &a, &b);  
+ 
+    // Calculating product }}
+    product = a * b;
+
+    // %.2lf displays number up to 2 decimal point
+    printf("Product = %.2lf", product);
+    
+    return 0;
+}
+}
+}}
diff --git a/name.py b/name.py
index 0fb70c5..6c4cf58 100644
--- a/name.py
+++ b/name.py
@@ -1,2 +1,6 @@
 name = "Your Name"
 print("My name is", name)
+Print ("Hello World)
+print ("problrmmm")
+       
+fdhfgjhjjkkhlhl