diff --git a/lab17/compiler.js b/lab17/compiler.js
index 2750835..01240a5 100644
--- a/lab17/compiler.js
+++ b/lab17/compiler.js
@@ -202,24 +202,29 @@ class Compiler {
         break;
 
       case "*":
-        //
-        // ***YOUR CODE HERE***
-        //
         // Using the '+' case as a template, add support
         // for '*'.  Note that the 'MUL' opcode only works
         // with two arguments, whereas '*' allows an arbitrary
         // number of arguments.
+        this.writeBytecode(second);
+        rest.forEach((x) => {
+          this.writeBytecode(x);
+          this.writeOp('MUL');
+        });
         break;
 
       case "-":
-        //
-        // ***YOUR CODE HERE***
-        //
         // Add support for '-'.  The approach here will be
         // Similar to the solution for '+' and '*'.  However,
         // one key difference is that the order of the arguments
         // matters.  You will need to use 'SWAP1' to get the
         // arguments ordered correctly before invoking 'SUB'.
+        this.writeBytecode(second);
+        rest.forEach((x) => {
+          this.writeBytecode(x);
+          this.writeOp('SWAP1');
+          this.writeOp('SUB');
+        });
         break;
 
       default: