diff --git a/io.c b/io.c
index 40df260ba871da62e0b09ae29ae63b54c63a96f5..bdaf47c5e8636909b5e532287bcd2fd93a784803 100644
--- a/io.c
+++ b/io.c
@@ -1,5 +1,5 @@
 /* io.c */
-/* Last Change: 2019/07/23 (Tue) 17:06:53. */
+/* Last Change: 2019/07/23 (Tue) 17:17:57. */
 
 #include<stdio.h>
 #include"io.h"