diff --git a/Sencha-lang/ASTNode.cpp b/Sencha-lang/ASTNode.cpp
index 305cdb7..80429c2 100644
--- a/Sencha-lang/ASTNode.cpp
+++ b/Sencha-lang/ASTNode.cpp
@@ -9,7 +9,7 @@
 
 ASTNode::ASTNode() {
 	// TODO Auto-generated constructor stub
-
+	parent = 0;
 }
 
 ASTNode::~ASTNode() {
diff --git a/Sencha-lang/ASTNode.h b/Sencha-lang/ASTNode.h
index 5176a8a..b0145a3 100644
--- a/Sencha-lang/ASTNode.h
+++ b/Sencha-lang/ASTNode.h
@@ -7,10 +7,17 @@
 
 #ifndef ASTNODE_H_
 #define ASTNODE_H_
+#include <vector>
 
 class ASTNode {
 public:
 	ASTNode();
+	ASTNode * parent;
+	std::vector<ASTNode *> children;
+	void add_children(ASTNode *);
+	void remove_most_right_children();
+	void set_parent(ASTNode *);
+	virtual void execute() = 0;
 	virtual ~ASTNode();
 };
 
diff --git a/Sencha-lang/ASTPrimary.cpp b/Sencha-lang/ASTPrimary.cpp
new file mode 100644
index 0000000..f4a35de
--- /dev/null
+++ b/Sencha-lang/ASTPrimary.cpp
@@ -0,0 +1,19 @@
+/*
+ * ASTPrimary.cpp
+ *
+ *  Created on: Nov 4, 2012
+ *      Author: attero
+ */
+
+#include "ASTPrimary.h"
+/*
+ASTPrimary::ASTPrimary() {
+	// TODO Auto-generated constructor stub
+
+}
+
+ASTPrimary::~ASTPrimary() {
+	// TODO Auto-generated destructor stub
+}
+
+*/
diff --git a/Sencha-lang/ASTPrimary.h b/Sencha-lang/ASTPrimary.h
new file mode 100644
index 0000000..dbd3f8e
--- /dev/null
+++ b/Sencha-lang/ASTPrimary.h
@@ -0,0 +1,20 @@
+/*
+ * ASTPrimary.h
+ *
+ *  Created on: Nov 4, 2012
+ *      Author: attero
+ */
+
+#ifndef ASTPRIMARY_H_
+#define ASTPRIMARY_H_
+#include "ASTNode.h"
+/*
+class ASTPrimary : public ASTNode {
+public:
+	ASTPrimary();
+	virtual ~ASTPrimary();
+	virtual void execute() {};
+
+};
+*/
+#endif /* ASTPRIMARY_H_ */
diff --git a/Sencha-lang/Debug/ASTNode.d b/Sencha-lang/Debug/ASTNode.d
new file mode 100644
index 0000000..67f81f1
--- /dev/null
+++ b/Sencha-lang/Debug/ASTNode.d
@@ -0,0 +1,3 @@
+ASTNode.d: ../ASTNode.cpp ../ASTNode.h
+
+../ASTNode.h:
diff --git a/Sencha-lang/Debug/ASTNode.o b/Sencha-lang/Debug/ASTNode.o
new file mode 100644
index 0000000..1126727
Binary files /dev/null and b/Sencha-lang/Debug/ASTNode.o differ
diff --git a/Sencha-lang/Debug/ASTPrimary.d b/Sencha-lang/Debug/ASTPrimary.d
new file mode 100644
index 0000000..896ae18
--- /dev/null
+++ b/Sencha-lang/Debug/ASTPrimary.d
@@ -0,0 +1,5 @@
+ASTPrimary.d: ../ASTPrimary.cpp ../ASTPrimary.h ../ASTNode.h
+
+../ASTPrimary.h:
+
+../ASTNode.h:
diff --git a/Sencha-lang/Debug/ASTPrimary.o b/Sencha-lang/Debug/ASTPrimary.o
new file mode 100644
index 0000000..9a095fe
Binary files /dev/null and b/Sencha-lang/Debug/ASTPrimary.o differ
diff --git a/Sencha-lang/Debug/Parser.o b/Sencha-lang/Debug/Parser.o
index e49040d..da49d5a 100644
Binary files a/Sencha-lang/Debug/Parser.o and b/Sencha-lang/Debug/Parser.o differ
diff --git a/Sencha-lang/Debug/Sencha-lang b/Sencha-lang/Debug/Sencha-lang
index 9617346..332a07c 100755
Binary files a/Sencha-lang/Debug/Sencha-lang and b/Sencha-lang/Debug/Sencha-lang differ
diff --git a/Sencha-lang/Debug/subdir.mk b/Sencha-lang/Debug/subdir.mk
index bd71042..e802321 100644
--- a/Sencha-lang/Debug/subdir.mk
+++ b/Sencha-lang/Debug/subdir.mk
@@ -4,6 +4,8 @@
 
 # Add inputs and outputs from these tool invocations to the build variables 
 CPP_SRCS += \
+../ASTNode.cpp \
+../ASTPrimary.cpp \
 ../Lexer.cpp \
 ../Object.cpp \
 ../Parser.cpp \
@@ -11,6 +13,8 @@ CPP_SRCS += \
 ../main.cpp 
 
 OBJS += \
+./ASTNode.o \
+./ASTPrimary.o \
 ./Lexer.o \
 ./Object.o \
 ./Parser.o \
@@ -18,6 +22,8 @@ OBJS += \
 ./main.o 
 
 CPP_DEPS += \
+./ASTNode.d \
+./ASTPrimary.d \
 ./Lexer.d \
 ./Object.d \
 ./Parser.d \
diff --git a/Sencha-lang/Parser.cpp b/Sencha-lang/Parser.cpp
index 28bb26c..a268c8a 100644
--- a/Sencha-lang/Parser.cpp
+++ b/Sencha-lang/Parser.cpp
@@ -193,27 +193,33 @@ void Parser::prim_expr()
 {
     if(current_token.get_type() == t_integer)
     {
-        report("Number: " + tok_value + "\n");
+        report("Number: " + tok_value + "\n");
+        read_next();
     }
     else if(current_token.get_type() == t_symbol)
     {
-        report("Variable: " + tok_value + "\n");
+        report("Variable: " + tok_value + "\n");
+        read_next();
     }
     else if(current_token.get_type() == t_literal)
     {
-        report("Character literal: " + tok_value + "\n");
+        report("Character literal: " + tok_value + "\n");
+        read_next();
     }
     else if(accept("("))
-    {
-        expr();
-        expect(")");
+    {
+    	report("( ");
+        expr();
+        report(" ) ");
+        expect(")");
+
     }
     else
     {
         error("ERROR: unexpected primary expression" + tok_value + "\n");
-
+        read_next();
     }
-    read_next();
+
 }
 
 void Parser::postfix_expr()
@@ -236,25 +242,43 @@ void Parser::postfix_expr()
             {
                 expr();
                 report("function argument\n");
-            }
+            }
+
             expect(")");
         }
         report("FUNC_CALL\n");
     }
-}
+}
+
+void Parser::mul_expr()
+{
+	postfix_expr();
+	    while(peek("*") || peek("/"))
+	    {
+	        if(accept("*"))
+	        {
+	            postfix_expr();
+	            report(" *\n");
+	        } else if(accept("/"))
+	        {
+	            postfix_expr();
+	            report(" /\n");
+	        }
+	    }
+}
 
 void Parser::add_expr()
 {
-    postfix_expr();
+    mul_expr();
     while(peek("+") || peek("-"))
     {
         if(accept("+"))
         {
-            postfix_expr();
+            mul_expr();
             report(" +\n");
         } else if(accept("-"))
         {
-            postfix_expr();
+            mul_expr();
             report(" -\n");
         }
     }
diff --git a/Sencha-lang/Parser.h b/Sencha-lang/Parser.h
index a60d7b1..4b9f484 100644
--- a/Sencha-lang/Parser.h
+++ b/Sencha-lang/Parser.h
@@ -33,7 +33,8 @@ class Parser
         void report(string s);
 
         void statement();
-
+
+        void mul_expr();
         void add_expr();
         void prim_expr();
         void postfix_expr();