exit echo

@@ -3,7 +3,11 @@
 using namespace std;
 using namespace std;
 
 
 int main() {
 int main() {
+	
 	string echo;
 	string echo;
+	do {
+		cout << "if you enter 'exit', the program will exit"
 		cin >> echo;
 		cin >> echo;
 		cout << echo;
 		cout << echo;
+	}while (echo != "exit")
 }
 }
\ No newline at end of file