From 8bb33d5e2e4179f009bad21934f53f527178327b Mon Sep 17 00:00:00 2001
From: devYahia <mrzak051@gmail.com>
Date: Fri, 24 Oct 2025 00:25:27 +0300
Subject: [PATCH] Yahia solution

---
 Yahia_Zakaria.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 Yahia_Zakaria.md

diff --git a/Yahia_Zakaria.md b/Yahia_Zakaria.md
new file mode 100644
index 0000000..47e90a1
--- /dev/null
+++ b/Yahia_Zakaria.md
@@ -0,0 +1,13 @@
+I solve it using c
+
+#include <stdio.h>
+
+int main() {
+    long long n;
+    scanf("%lld", &n);
+    
+    long long sum = n * (n + 1) / 2;
+    
+    printf("%lld\n", sum);
+    return 0;
+}