diff --git a/codeforces/864a.cpp b/codeforces/864a.cpp
new file mode 100644
index 0000000..be72177
--- /dev/null
+++ b/codeforces/864a.cpp
@@ -0,0 +1,27 @@
+#include <bits/stdc++.h>
+
+using namespace std;
+
+int main() {
+    int n;
+    cin >> n;
+    int p;
+    vector<int> a(101,0);
+    set<int> s;
+    for (int i = 0; i < n; ++i)
+    {
+        cin >> p;
+        a[p]++;
+        s.insert(p);
+    }
+
+    vector<int> sv(s.begin(), s.end());
+  
+    if (sv.size() == 2 && a[sv[0]] == a[sv[1]]) {
+        cout << "YES" << "\n";
+        cout << sv[0] << " " << sv[1] << "\n";
+    } else {
+        cout << "NO" << "\n";
+    }
+    return 0;
+}