diff --git a/em-oop/src/day3Keisho/Main.java b/em-oop/src/day3Keisho/Main.java
index 3f97b6e..0edb324 100644
--- a/em-oop/src/day3Keisho/Main.java
+++ b/em-oop/src/day3Keisho/Main.java
@@ -73,5 +73,14 @@ public class Main {
 		}
 		System.out.println("社員データ:" + employeeCount + "件");
 		System.out.println("部署データ:" + departmentCount + "件");
+		
+	//Strpt 8
+		for (BaseData data : allData) {
+		    if (data instanceof EmployeeData) {
+		        // EmployeeData သို့ Cast လုပ်ခြင်း
+		        EmployeeData emp = (EmployeeData) data;
+		        System.out.println(emp.getMailAddress());
+		    }
+		}
 	}
 }