diff --git a/ShinHeeEul/202503/06 BOJ G5 Contact.md b/ShinHeeEul/202503/06 BOJ G5 Contact.md
new file mode 100644
index 00000000..8d0fe133
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+++ b/ShinHeeEul/202503/06 BOJ G5 Contact.md	
@@ -0,0 +1,39 @@
+```java
+import java.io.*;
+
+public class Main {
+
+
+    public static void main(String[] args) throws Exception{
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        // 1001 1001001 10010010
+
+
+        int N = Integer.parseInt(br.readLine());
+        StringBuilder sb = new StringBuilder();
+
+        for(int i = 0; i < N; i++) {
+            sb.append(br.readLine().matches("(100+1+|01)+")?"YES":"NO").append("\n");
+        }
+        System.out.println(sb);
+    }
+
+
+
+
+    private static int read() throws Exception {
+        int d, o;
+        d = System.in.read();
+
+        o = d & 15;
+        while ((d = System.in.read()) > 32)
+            o = (o << 3) + (o << 1) + (d & 15);
+
+        return o;
+    }
+
+}
+
+
+```