diff --git a/reporting-number/main.cc b/reporting-number/main.cc
new file mode 100644
index 0000000..61538c2
--- /dev/null
+++ b/reporting-number/main.cc
@@ -0,0 +1,35 @@
+#include <algorithm>
+#include <iostream>
+#include <queue>
+#include <vector>
+using namespace std;
+int main() {
+  queue<int> q;
+  int X, Y, K;
+  cin >> X >> Y >> K;
+  for (int i = 1; i <= X + Y; i++) {
+    q.push(i);
+  }
+  int count = 0;
+  while (q.size() > X) {
+    count++;
+    if (count == K) {
+      q.pop();
+      count = 0;
+    } else {
+      auto pin = q.front();
+      q.pop();
+      q.push(pin);
+    }
+  };
+  vector<int> v;
+  while (q.size() > 0) {
+    v.push_back(q.front());
+    q.pop();
+  }
+  sort(v.begin(), v.end());
+  for (int i = 0; i < v.size(); i++) {
+    printf("%d ", v[i]);
+  }
+  printf("\n");
+}