diff --git a/Lab_20/Lab_20/Z_6.cpp b/Lab_20/Lab_20/Z_6.cpp
index 0f8191f..3ab0aa9 100644
--- a/Lab_20/Lab_20/Z_6.cpp
+++ b/Lab_20/Lab_20/Z_6.cpp
@@ -3,8 +3,8 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-int k;
-int g;
+int Iz1;
+int Iz2;
 
 struct Node {
 	int data;