diff --git a/CRC.java b/CRC.java
index 687e7e9..248e66c 100644
--- a/CRC.java
+++ b/CRC.java
@@ -1,11 +1,12 @@
 public class CRC {
     public static void main(String[] args) {
         try {
-            if (args[1].equals("-e")){
+            if (args.length == 1){
                 Encoding tmp = new Encoding(args[0]);
                 System.out.println(args[0] + tmp.getFcsChars());
-            } else if (args[1].equals("-d")){
-                Decoding d = new Decoding(args[0]);
+            } else if (args.length == 3){
+                String tmp = args[0] + Character.toString((char) Integer.parseInt(args[1])) + Character.toString((char) Integer.parseInt(args[2]));
+                Decoding d = new Decoding(tmp);
                 System.out.println(d.getCheck());
             }
         } catch (ArrayIndexOutOfBoundsException e){