diff --git a/2018/vokes/try.sh b/2018/vokes/try.sh
index a0ea4684b..eba2cab3a 100755
--- a/2018/vokes/try.sh
+++ b/2018/vokes/try.sh
@@ -15,18 +15,41 @@ make CC="$CC" all >/dev/null || exit 1
 # clear screen after compilation so that only the entry is shown
 clear
 
+read -r -n 1 -p "Press any key to show example-1.txt: "
+echo 1>&2
+cat example-1.txt
+echo 1>&2
+
 read -r -n 1 -p "Press any key to run: ./prog < example-1.txt: "
 echo 1>&2
 ./prog < example-1.txt
+echo 1>&2
+
+
+read -r -n 1 -p "Press any key to show example-2.txt: "
+echo 1>&2
+cat example-2.txt
+echo 1>&2
 
 read -r -n 1 -p "Press any key to run: ./prog < example-2.txt: "
 echo 1>&2
 ./prog < example-2.txt
+echo 1>&2
+
+read -r -n 1 -p "Press any key to show example-tab.txt: "
+echo 1>&2
+cat example-tab.txt
+echo 1>&2
 
 read -r -n 1 -p "Press any key to run: ./prog < example-tab.txt: "
 echo 1>&2
 ./prog < example-tab.txt
 
+read -r -n 1 -p "Press any key to show ioccc.txt: "
+echo 1>&2
+cat ioccc.txt
+echo 1>&2
+
 read -r -n 1 -p "Press any key to run: ./prog < ioccc.txt: "
 echo 1>&2
 ./prog < ioccc.txt