diff --git a/src/main.rs b/src/main.rs
index bcb9c01..da12fe1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,9 +1,13 @@
-#[derive(Clone, Debug)]
+#[derive(Debug)]
 struct Point(i32, i32);
 
+fn add(p1: &Point, p2: &Point) -> Point {
+    return Point(p1.0 + p2.0, p1.1 + p2.1);
+}
+
 fn main() {
     let p1 = Point(3, 4);
-    let p2 = p1.clone();
-    println!("p1: {p1:?}");
-    println!("p2: {p2:?}");
+    let p2 = Point(10, 20);
+    let p3 = add(&p1, &p2);
+    println!("{p1:?} + {p2:?} = {p3:?}");
 }
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