diff --git a/hello.cpp b/hello.cpp
new file mode 100644
index 0000000..dac86a9
--- /dev/null
+++ b/hello.cpp
@@ -0,0 +1,7 @@
+#include<iostream>
+using namespace std;
+
+int main(){
+cout<<"hello world";
+return 0;
+}
diff --git a/o.cpp b/o.cpp
new file mode 100644
index 0000000..e69de29