diff --git a/Luogu/problem/B2009/B2009.cpp b/Luogu/problem/B2009/B2009.cpp
new file mode 100644
index 00000000..d64386ad
--- /dev/null
+++ b/Luogu/problem/B2009/B2009.cpp
@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int a, b, c;
+    cin >> a >> b >> c;
+    cout << (a + b) / c << endl;
+    return 0;
+}