diff --git a/leetcode2264.cpp b/leetcode2264.cpp
new file mode 100644
index 0000000..823fa8a
--- /dev/null
+++ b/leetcode2264.cpp
@@ -0,0 +1,31 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+// Function to find largest good integer
+string largestGoodInteger(string num) {
+    string ans = "";
+    for (int i = 0; i + 2 < num.size(); i++) {
+        if (num[i] == num[i+1] && num[i] == num[i+2]) {
+            string candidate = num.substr(i, 3);
+            if (ans == "" || candidate > ans) {
+                ans = candidate;
+            }
+        }
+    }
+    return ans;
+}
+
+int main() {
+    string num;
+    cout << "Enter a string of digits: ";
+    cin >> num;
+
+    string result = largestGoodInteger(num);
+    if (result == "")
+        cout << "No good integer found!" << endl;
+    else
+        cout << "Largest good integer is: " << result << endl;
+
+    return 0;
+}