diff --git a/Makefile b/Makefile
index 3799a88..0a070e9 100644
--- a/Makefile
+++ b/Makefile
@@ -5,5 +5,10 @@ CC = g++
 
 OBJ_NAME = mine
 
-all :
-	$(CC) $(OBJS) -std=c++11 -o $(OBJ_NAME)
+all : release
+
+release:
+	$(CC) $(OBJS) -std=c++11 -O3 -o $(OBJ_NAME)
+
+debug:
+	$(CC) $(OBJS) -std=c++11 -O0 -o $(OBJ_NAME)
\ No newline at end of file