diff --git a/1111 b/1111
deleted file mode 100644
index 5f2f16b..0000000
--- a/1111
+++ /dev/null
@@ -1 +0,0 @@
-1111
diff --git a/31goldenfish b/31goldenfish
deleted file mode 100644
index bc13f53..0000000
--- a/31goldenfish
+++ /dev/null
@@ -1 +0,0 @@
-hollow world
diff --git a/[dogss09] b/[dogss09]
deleted file mode 100644
index 2efd9bc..0000000
--- a/[dogss09]
+++ /dev/null
@@ -1 +0,0 @@
-jimmy is a dog.
diff --git a/[laptop_jasmine] b/[laptop_jasmine]
deleted file mode 100644
index cf98c11..0000000
--- a/[laptop_jasmine]
+++ /dev/null
@@ -1 +0,0 @@
-test hello everyone
diff --git a/[sstop20paul] b/[sstop20paul]
deleted file mode 100644
index 27eb4b4..0000000
--- a/[sstop20paul]
+++ /dev/null
@@ -1,2 +0,0 @@
-Hello World!!!
-
diff --git a/aaa b/aaa
deleted file mode 100644
index fe6972a..0000000
--- a/aaa
+++ /dev/null
@@ -1 +0,0 @@
-ernfjosanfjnsajfnda
diff --git a/albert b/albert
deleted file mode 100644
index e69de29..0000000
diff --git a/allen b/allen
deleted file mode 100644
index b4a846e..0000000
--- a/allen
+++ /dev/null
@@ -1 +0,0 @@
-chao
diff --git a/biomotion b/biomotion
deleted file mode 100644
index 45b983b..0000000
--- a/biomotion
+++ /dev/null
@@ -1 +0,0 @@
-hi
diff --git a/deanna b/deanna
deleted file mode 100644
index 9a71f81..0000000
--- a/deanna
+++ /dev/null
@@ -1,2 +0,0 @@
-hello world
-
diff --git a/09anita b/diabolokiat
similarity index 100%
rename from 09anita
rename to diabolokiat
diff --git a/duckiebotsteven b/duckiebotsteven
deleted file mode 100644
index e69de29..0000000
diff --git a/hans3661 b/hans3661
deleted file mode 100644
index 9d736b0..0000000
--- a/hans3661
+++ /dev/null
@@ -1 +0,0 @@
-hellow world
diff --git a/hyCheng b/hyCheng
deleted file mode 100644
index 3b18e51..0000000
--- a/hyCheng
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/jcwu b/jcwu
deleted file mode 100644
index 3b18e51..0000000
--- a/jcwu
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/Kiat b/jerry
similarity index 100%
rename from Kiat
rename to jerry
diff --git a/Wang123 b/jerry-branch
similarity index 100%
rename from Wang123
rename to jerry-branch
diff --git a/john b/john
deleted file mode 100644
index 295413f..0000000
--- a/john
+++ /dev/null
@@ -1 +0,0 @@
-jakeljljl
diff --git a/juite b/juite
deleted file mode 100644
index 9a71f81..0000000
--- a/juite
+++ /dev/null
@@ -1,2 +0,0 @@
-hello world
-
diff --git a/kkkkkkkkkkkkkkkkkk b/kkkkkkkkkkkkkkkkkk
deleted file mode 100644
index e69de29..0000000
diff --git a/ktsong b/ktsong
new file mode 100644
index 0000000..eaf6e31
--- /dev/null
+++ b/ktsong
@@ -0,0 +1 @@
+hello ktsong
diff --git a/leaf b/leaf
deleted file mode 100644
index 3b18e51..0000000
--- a/leaf
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/lw.txt b/lw.txt
new file mode 100644
index 0000000..ce01362
--- /dev/null
+++ b/lw.txt
@@ -0,0 +1 @@
+hello
diff --git a/marco123 b/marco123
deleted file mode 100644
index 3b18e51..0000000
--- a/marco123
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/allen688 b/mark
similarity index 100%
rename from allen688
rename to mark
diff --git a/michael b/michael
deleted file mode 100644
index 3b18e51..0000000
--- a/michael
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/nobu b/nobu
deleted file mode 100644
index 9a71f81..0000000
--- a/nobu
+++ /dev/null
@@ -1,2 +0,0 @@
-hello world
-
diff --git a/qwe b/qwe
deleted file mode 100644
index 291df10..0000000
--- a/qwe
+++ /dev/null
@@ -1 +0,0 @@
-qweqweqwwe
diff --git a/ricelonghu b/ricelonghu
deleted file mode 100644
index 4a1f475..0000000
--- a/ricelonghu
+++ /dev/null
@@ -1 +0,0 @@
-hello world 
diff --git a/ferb_ss18 b/richard
similarity index 100%
rename from ferb_ss18
rename to richard
diff --git a/rulee b/rulee
deleted file mode 100644
index e69de29..0000000
diff --git a/siang128 b/siang128
deleted file mode 100644
index 3b18e51..0000000
--- a/siang128
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sk b/sk
deleted file mode 100644
index 9daeafb..0000000
--- a/sk
+++ /dev/null
@@ -1 +0,0 @@
-test
diff --git a/ss10ducky b/ss10ducky
deleted file mode 100644
index 3b18e51..0000000
--- a/ss10ducky
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/ss13 b/ss13
deleted file mode 100644
index 3b18e51..0000000
--- a/ss13
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/ss21 b/ss21
deleted file mode 100644
index fe85772..0000000
--- a/ss21
+++ /dev/null
@@ -1 +0,0 @@
-"Hello world"
diff --git a/ss28leo b/ss28leo
deleted file mode 100644
index 3b18e51..0000000
--- a/ss28leo
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/ss33sean b/ss33sean
deleted file mode 100644
index f87e912..0000000
--- a/ss33sean
+++ /dev/null
@@ -1,2 +0,0 @@
-Hi there
-
diff --git a/sstop02jerry b/sstop02jerry
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop02jerry
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop03andy b/sstop03andy
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop03andy
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop04Nesizen b/sstop04Nesizen
deleted file mode 100644
index 7fd5222..0000000
--- a/sstop04Nesizen
+++ /dev/null
@@ -1 +0,0 @@
-hello word
diff --git a/sstop04nesizen b/sstop04nesizen
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop04nesizen
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop06gerry b/sstop06gerry
deleted file mode 100644
index 8b13789..0000000
--- a/sstop06gerry
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/sstop10peter b/sstop10peter
deleted file mode 100644
index 45b983b..0000000
--- a/sstop10peter
+++ /dev/null
@@ -1 +0,0 @@
-hi
diff --git a/sstop12henry b/sstop12henry
deleted file mode 100644
index 7fd5222..0000000
--- a/sstop12henry
+++ /dev/null
@@ -1 +0,0 @@
-hello word
diff --git a/sstop12louise b/sstop12louise
deleted file mode 100644
index 91ff0c3..0000000
--- a/sstop12louise
+++ /dev/null
@@ -1 +0,0 @@
-hwllow cats!
diff --git a/sstop14sophia b/sstop14sophia
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop14sophia
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop15wily b/sstop15wily
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop15wily
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop16johnson b/sstop16johnson
deleted file mode 100644
index 9a71f81..0000000
--- a/sstop16johnson
+++ /dev/null
@@ -1,2 +0,0 @@
-hello world
-
diff --git a/sstop18jason b/sstop18jason
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop18jason
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop22esther b/sstop22esther
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop22esther
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop25Tim b/sstop25Tim
deleted file mode 100644
index 3915115..0000000
--- a/sstop25Tim
+++ /dev/null
@@ -1 +0,0 @@
-hello world!!!!!!
diff --git a/sstop26maggie b/sstop26maggie
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop26maggie
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop27even b/sstop27even
deleted file mode 100644
index 557db03..0000000
--- a/sstop27even
+++ /dev/null
@@ -1 +0,0 @@
-Hello World
diff --git a/sstop27peter b/sstop27peter
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop27peter
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop30abh b/sstop30abh
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop30abh
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/sstop43moon b/sstop43moon
deleted file mode 100644
index 3b18e51..0000000
--- a/sstop43moon
+++ /dev/null
@@ -1 +0,0 @@
-hello world
diff --git a/gonwan b/yhchang
similarity index 100%
rename from gonwan
rename to yhchang
diff --git a/zhen b/zhen
deleted file mode 100644
index 9a71f81..0000000
--- a/zhen
+++ /dev/null
@@ -1,2 +0,0 @@
-hello world
-