diff --git a/goroutines/demo1.go b/goroutines/demo1.go
index 66248b9..afb12d2 100644
--- a/goroutines/demo1.go
+++ b/goroutines/demo1.go
@@ -1,15 +1,20 @@
 package goroutines
 
-import "fmt"
+import (
+	"fmt"
+	"time"
+)
 
 func EvenNumber()  {
 	for i := 0; i <= 10; i+=2 {
 		fmt.Println("Even Number : ", i)
+		time.Sleep(1 * time.Second)
 	}
 }
 
 func OddNumber()  {
 	for i := 1; i <= 10; i+=2 {
 		fmt.Println("Odd Number : ", i)
+		time.Sleep(1 * time.Second)
 	}
 }
\ No newline at end of file
diff --git a/main.go b/main.go
index f063165..665a40a 100644
--- a/main.go
+++ b/main.go
@@ -13,6 +13,7 @@ import (
 	"golesson/slices"
 	"golesson/structs"
 	"golesson/variables"
+	"time"
 )
 
 func main() {
@@ -57,6 +58,8 @@ func main() {
 	structs.Demo1()
 	structs.Demo2()
 
-	goroutines.EvenNumber()
-	goroutines.OddNumber()
+	go goroutines.EvenNumber()
+	go goroutines.OddNumber()
+	time.Sleep(5 * time.Second)
+	fmt.Println("Main ended")
 }