diff --git a/HDOJ/1014_autoAC.cpp b/HDOJ/1014_autoAC.cpp
new file mode 100644
index 0000000..2e1f0de
--- /dev/null
+++ b/HDOJ/1014_autoAC.cpp
@@ -0,0 +1,25 @@
+#include <iostream>
+#include <cstdio>
+using namespace std;
+int main()
+{
+    unsigned int STEP,MOD;
+    while(cin>>STEP>>MOD)
+    {
+        int count = 1;
+        int seed = 0;
+        do 
+        {
+            seed = (seed + STEP)%MOD;
+            ++count;
+        } while(seed != 0);
+        --count;
+        printf("%10d%10d    ",STEP,MOD);
+        if(count == MOD)
+            printf("%s\n","Good Choice");
+        else
+            printf("%s\n","Bad Choice");
+        printf("\n");
+    }
+    return 0;
+}