diff --git a/Codeforces/1663/D/D.cpp b/Codeforces/1663/D/D.cpp
new file mode 100644
index 00000000..6c850d28
--- /dev/null
+++ b/Codeforces/1663/D/D.cpp
@@ -0,0 +1,18 @@
+#include <iostream>
+#include <string>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int x;
+std::string s;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+
+    cin >> s >> x;
+    cout << (s == "ABC" && x < 2000 || s == "ARC" && x < 2800 || s == "AGC" && x >= 1200 ? "Yes" : "No") << endl;
+
+    return 0;
+}