diff --git a/HDOJ/1284_cnblogs.cpp b/HDOJ/1284_cnblogs.cpp
new file mode 100644
index 0000000..eb1dc4d
--- /dev/null
+++ b/HDOJ/1284_cnblogs.cpp
@@ -0,0 +1,28 @@
+#include <iostream>
+#include <cstdlib>
+#include <cstring>
+using namespace std;
+
+const int M = 32768 + 10;
+
+int dp[M];
+
+int main()
+{
+    int n;
+    while (~scanf("%d", &n))
+    {
+        memset(dp, 0, sizeof(dp));
+        dp[0] = 1;
+        for (int i = 1; i <= 3; i++)
+        {
+            for (int j = 1; j <= n; j++)
+            {
+                dp[j] += dp[j - i];
+            }
+        }
+
+        printf("%d\n", dp[n]);
+    }
+    return 0;
+}