diff --git a/c/5.c b/c/5.c
index 6c4d155..73d7c8d 100644
--- a/c/5.c
+++ b/c/5.c
@@ -1 +1 @@
-xixi
\ No newline at end of file
+xixixi
\ No newline at end of file
diff --git a/c/7.c b/c/7.c
new file mode 100644
index 0000000..6c4d155
--- /dev/null
+++ b/c/7.c
@@ -0,0 +1 @@
+xixi
\ No newline at end of file