diff --git "a/solution/BOJ_12904_A\354\231\200_B/\352\271\200\354\247\200\354\233\220.java" "b/solution/BOJ_12904_A\354\231\200_B/\352\271\200\354\247\200\354\233\220.java"
new file mode 100644
index 0000000..61a8912
--- /dev/null
+++ "b/solution/BOJ_12904_A\354\231\200_B/\352\271\200\354\247\200\354\233\220.java"
@@ -0,0 +1,30 @@
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.LinkedList;
+import java.util.Queue;
+import java.util.StringTokenizer;
+
+public class Main {
+
+    public static void main(String[] args) throws IOException{
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        StringBuffer s = new StringBuffer(br.readLine());
+        StringBuffer t = new StringBuffer(br.readLine());
+
+        while(s.length() < t.length()) {
+            if(t.charAt(t.length()-1) == 'A') {
+                t.deleteCharAt(t.length()-1);
+            }else if(t.charAt(t.length()-1) == 'B'){
+                t.deleteCharAt(t.length()-1);
+                t.reverse();
+            }
+        }
+
+        if(s.toString().equals(t.toString())) {
+            System.out.println(1);
+        }else {
+            System.out.println(0);
+        }
+    }
+}