diff --git a/sujunghwang/week05/SWEA_1230.java b/sujunghwang/week05/SWEA_1230.java
new file mode 100644
index 0000000..429a6ed
--- /dev/null
+++ b/sujunghwang/week05/SWEA_1230.java
@@ -0,0 +1,60 @@
+/*
+명령어에 따라 주어진 암호문을 편집하는 문제
+리스트로 변환해서 암호문 편집을 편하게 할 수 있게 함
+*/
+import java.io.*;
+import java.util.*;
+
+public class SWEA_1230 {
+    public static void main(String[] args) throws Exception{
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+        for (int tc = 1; tc <= 10; tc++) {
+            int N = Integer.parseInt(br.readLine());
+            String org = br.readLine();
+            int cnt = Integer.parseInt(br.readLine());
+            String chg = br.readLine();
+            List<String> listOrg = new ArrayList<>();
+            listOrg.addAll(Arrays.asList(org.split(" ")));
+            List<String> listChg = new ArrayList<>();
+            listChg.addAll(Arrays.asList(chg.split(" ")));
+            List<String> temp = new ArrayList<>();
+
+            for (int i = 0; i < cnt; i++) {
+                if(listChg.get(0).equals("I")){
+                    int x = Integer.parseInt(listChg.get(1));
+                    int y = Integer.parseInt(listChg.get(2));
+                    for (int j = 0; j < y; j++) {
+                        listOrg.add(x+j,listChg.get(j+3));
+                    }
+                    for (int j = 0; j < 3+y; j++) {
+                        listChg.remove(0);
+                    }
+                } else if(listChg.get(0).equals("D")){
+                    int x = Integer.parseInt(listChg.get(1));
+                    int y = Integer.parseInt(listChg.get(2));
+
+                    for (int j = 0; j < 3; j++) {
+                        listChg.remove(0);
+                    }
+                    for (int j = 0; j < y; j++) {
+                        listOrg.remove(x);
+                    }
+                } else if(listChg.get(0).equals("A")){
+                    int y = Integer.parseInt(listChg.get(1));
+                    for (int j = 0; j < y; j++) {
+                        listOrg.add(listChg.get(j + 2));
+                    }
+                    for (int j = 0; j < 2+y; j++) {
+                        listChg.remove(0);
+                    }
+                }
+            }
+            System.out.println("#"+tc+" ");
+            for (int i = 0; i < 10; i++) {
+                System.out.print(listOrg.get(i)+" ");
+            }
+            System.out.println();
+        }
+
+    }
+}