diff --git a/TaskB04/run b/TaskB04/run
index 0db6ca0..b2058e4 100644
--- a/TaskB04/run
+++ b/TaskB04/run
@@ -52,9 +52,9 @@ print(os.listdir(os.path.join(os.curdir,'TaskB04')))
 
 shutil.copy(
     sys.argv[1].replace('.arg', '.exp'),
-	sys.argv[1].replace('.arg', '.txt')
+	sys.argv[1].replace('.arg', '')
 	)
 
-with open(sys.argv[1].replace('.arg', '.txt'), 'r') as f:
+with open(sys.argv[1].replace('.arg', ''), 'r') as f:
     for line in f:
         print(line.decode('utf-16', 'ignore'))