diff --git a/Main.java b/Main.java
index 1a68b2dd0a36d3447eed91dc217b0ec3bb12c172..284a55087463e2e5f352b473186e4bee151faa9b 100644
--- a/Main.java
+++ b/Main.java
@@ -1,5 +1,25 @@
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Base64;
+
+import org.jsoup.Jsoup;
+import org.jsoup.safety.Safelist;
+
 class Main {
-  public static void main(String[] args) {
+  public static void main(String[] args)  throws NoSuchAlgorithmException{
     System.out.println("Hello world!");
+    System.out.println(getHashedPassword("123456", "test"));
+    String unsafeHtml = "<script>alert('Hello, world!'');</script>";
+    String safeHtml = Jsoup.clean(unsafeHtml, Safelist.basic());
+    System.out.println(safeHtml);
+    System.out.println(unsafeHtml);
+  }
+
+  public static String getHashedPassword(String password, String salt) throws NoSuchAlgorithmException{
+    String saltedPassword = password + salt;
+    MessageDigest messageDigest = MessageDigest.getInstance("SHA-256");
+    byte[] hash = messageDigest.digest(saltedPassword.getBytes(StandardCharsets.UTF_8));
+    return new String(Base64.getEncoder().encode(hash));
   }
 }
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 420bbe01be9c9edf7f51e48198797278e49033a0..fff1841ace9d0ba2140c0caf26cb51b946479b36 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,6 +10,13 @@
       <version>4.12</version>
       <type>jar</type>
     </dependency>
+    <dependency>
+      <groupId>org.jsoup</groupId>
+      <artifactId>jsoup</artifactId>
+      <version>1.15.1</version>
+    </dependency>
+
+    
     <dependency>
       <groupId>com.googlecode.json-simple</groupId>
       <artifactId>json-simple</artifactId>