diff --git a/AtCoder/ABC244/D/D.cpp b/AtCoder/ABC244/D/D.cpp
new file mode 100644
index 00000000..0c4b1039
--- /dev/null
+++ b/AtCoder/ABC244/D/D.cpp
@@ -0,0 +1,19 @@
+#include <iostream>
+
+using std::cin;
+using std::cout;
+const char endl = '\n';
+
+int cnt;
+char s1, s2, s3,
+    t1, t2, t3;
+
+int main() {
+    std::ios::sync_with_stdio(false);
+    cin >> s1 >> s2 >> s3 >> t1 >> t2 >> t3;
+    if (s1 != t1) cnt++;
+    if (s2 != t2) cnt++;
+    if (s3 != t3) cnt++;
+    cout << (cnt == 0 || cnt == 3 ? "Yes" : "No") << endl;
+    return 0;
+}