diff --git a/U161220113/test.cpp b/U161220113/test.cpp
new file mode 100644
index 0000000..c1b9c41
--- /dev/null
+++ b/U161220113/test.cpp
@@ -0,0 +1,7 @@
+#include<iostream>
+using namespace std;
+int main()
+{
+cout<<"hello world";
+return 0;
+}