diff --git a/Ma7moud_Wageeh.md b/Ma7moud_Wageeh.md
new file mode 100644
index 0000000..96c71a4
--- /dev/null
+++ b/Ma7moud_Wageeh.md
@@ -0,0 +1,10 @@
+#include <iostream>
+using namespace std;
+
+int main() {
+
+    long long n;
+
+    cin >> n;
+    cout << (n * (n + 1) / 2);
+}