diff --git a/200B.cpp b/200B.cpp
new file mode 100644
index 0000000..6fc29a0
--- /dev/null
+++ b/200B.cpp
@@ -0,0 +1,17 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+   float n,m,value=0,vol,i;
+   cin>>n;
+   for(i=0;i<n;i++)
+   {
+      cin>>m;
+      value=value+m;
+      vol=value/n;
+   }
+   cout<<vol<<endl;
+   return 0;
+}