diff --git "a/LiiNi-coder/202510/22 PGM \354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260.md" "b/LiiNi-coder/202510/22 PGM \354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260.md"
new file mode 100644
index 00000000..99b85e18
--- /dev/null
+++ "b/LiiNi-coder/202510/22 PGM \354\247\235\354\247\200\354\226\264 \354\240\234\352\261\260.md"	
@@ -0,0 +1,17 @@
+```java
+import java.util.*;
+
+class Solution {
+    public int solution(String s){
+        Stack<Character> stack = new Stack<>();
+        for(char c : s.toCharArray()){
+            if(!stack.isEmpty() && stack.peek() == c){
+                stack.pop();
+            }else{
+                stack.push(c);
+            }
+        }
+        return stack.isEmpty() ? 1 : 0;
+    }
+}
+```