diff --git a/assets/a1.png b/assets/a1.png
index 6eebbb6..2e3831d 100644
Binary files a/assets/a1.png and b/assets/a1.png differ
diff --git a/document.yaml b/document.yaml
index 79d8fb1..a2a6dea 100644
--- a/document.yaml
+++ b/document.yaml
@@ -12,7 +12,7 @@ date:
 turnin:
   year: 令和7年
   month: 06月
-  day: 26日
+  day: 30日
 
 school_name: 岐阜工業高等専門学校
 department: 電子制御工学科
diff --git a/main.tex b/main.tex
index eb25665..d88b573 100644
--- a/main.tex
+++ b/main.tex
@@ -5,7 +5,7 @@
 \studentid{2024D14}
 \seatingnum{15}
 \reportdate{令和7年}{06月}{26日}
-\turnindate{令和7年}{06月}{26日}
+\turnindate{令和7年}{06月}{30日}
 \schoolname{岐阜工業高等専門学校}
 \department{電子制御工学科}
 \subject{情報処理Ｉ}
diff --git a/output/main-opt-final.pdf b/output/main-opt-final.pdf
index 489ce49..6a5e6b4 100644
Binary files a/output/main-opt-final.pdf and b/output/main-opt-final.pdf differ
diff --git a/output/main.pdf b/output/main.pdf
index 80e6154..ae05541 100644
Binary files a/output/main.pdf and b/output/main.pdf differ
diff --git a/programs/a1/main b/programs/a1/main
index e205d30..7189993 100755
Binary files a/programs/a1/main and b/programs/a1/main differ
diff --git a/programs/a1/main.c b/programs/a1/main.c
index c681bad..44fb83d 100644
--- a/programs/a1/main.c
+++ b/programs/a1/main.c
@@ -6,7 +6,7 @@ int main(void) {
     printf("Input integer: ");
     scanf("%d", &n);
 
-    if (n <= 10 && n > 0) {
+    if (n < 10 && n > 0) {
         printf("%d is one digit natural number.\n", n);
     } else {
     	printf("%d is not one digit natural number.\n", n);