diff --git a/src/A.java b/src/A.java
index 4f7e82a..736f3ae 100644
--- a/src/A.java
+++ b/src/A.java
@@ -4,6 +4,9 @@
 	public A(C c) {
 		this.c = c;
 	}
+	public void updateValue(double lat) {
+	        this.value = lat;
+	}
 	public double getValue() {
 		return this.value;
 	}