diff --git a/code.txt b/code.txt
index 2f6793e..2438b39 100755
--- a/code.txt
+++ b/code.txt
@@ -8,18 +8,7 @@
 EndNote
 
 System Print BeginText Hello, there! EndText Done
+System Print BeginText Please enter your name: EndText Done
 Set Name To System Read EndSet BeginNote Reads an entire line EndNote
-
-Set Friends To List New EndSet
-Friends Add BeginText Jookia EndText Done
-Friends Add BeginText BadGuy EndText Done
-Friends Add BeginText GoodGuy EndText Done
-Friends Add BeginText Friendo EndText Done
-
-Set Mistake To Friends Find BeginText BadGuy EndText EndSet
-Friends Remove Mistake Done
-
-If Friends Contains Name
-Then System Print BeginText Hi friend! EndText
-Else System Print BeginText Hi stranger! EndText
-EndIf
+System Print BeginText Hi there, EndText Done
+System Print Name Done
diff --git a/main.py b/main.py
index 074b877..288fe39 100755
--- a/main.py
+++ b/main.py
@@ -60,14 +60,14 @@
         sys.exit(1)
     (type, value) = parser_tokens[parser_pos]
     parser_pos += 1
-    #print("Read %s %s" % (type, value))
+    print("Read %s %s" % (type, value))
     return (type, value)
 
 def parser_peek():
     global parser_pos
     global parser_tokens
     (type, value) = parser_tokens[parser_pos]
-    #print("Peeked %s %s" % (type, value))
+    print("Peeked %s %s" % (type, value))
     return (type, value)
 
 def parser_skip():
@@ -128,7 +128,7 @@
         print("While parsing arguments")
         return None
     print("Parsed statement: subject %s verb %s args %s" % (subject, verb, arguments))
-    return ('Statement', subject, verb, arguments)
+    return ('statement', subject, verb, arguments)
 
 def parse_set():
     subject = parse_subject()
@@ -145,7 +145,7 @@
         print("While parsing statement")
         return None
     print("Parsed set for %s" % (subject))
-    return ('Set', subject, ast)
+    return ('set', subject, ast)
 
 def parse_if():
     print("Parsing if test condition...")
@@ -164,7 +164,7 @@
         print("While parsing failure statement")
         return None
     print("Parsed conditional")
-    return ('If', test, success, failure)
+    return ('if', test, success, failure)
 
 def parse_directive():
     (type, value) = parser_peek()
@@ -215,6 +215,52 @@
     print("Parsed file")
     return ast
 
+def do_system_print(env, args):
+    (text_type, text_value) = args[0]
+    if text_type == "symbol":
+        (text_type, text_value) = env[text_value]
+    if text_type != "text":
+        print("Invalid print value: %s" % (text_type))
+        return None
+    else:
+        print(text_value)
+        return None
+
+def do_system_read(env, args):
+    return ('text', input())
+
+base_env = {
+    "system": {
+        "type": "module",
+        "print": do_system_print,
+        "read": do_system_read,
+    }
+}
+
+def run_statement(env, ast):
+    command = env[ast[1]][ast[2]]
+    return command(env, ast[3])
+
+def run_set(env, ast):
+    env[ast[1]] = run_statement(env, ast[2])
+    return env[ast[1]]
+
+def run_if(env, ast):
+    print("Unimplemented if")
+    return None
+
+def run_command(env, ast):
+    type = ast[0]
+    if type == "statement":
+        return run_statement(env, ast)
+    elif type == "set":
+        return run_set(env, ast)
+    elif type == "if":
+        return run_if(env, ast)
+    else:
+        print("Unknown command type %s" % (ast))
+        return None
+
 def main(args):
     if len(args) != 2:
         print("Usage: main.py FILENAME")
@@ -229,6 +275,8 @@
     ast = parse_file()
     if not ast:
         return 1
+    for command in ast:
+        run_command(base_env, command)
     return 0
 
 if __name__ == "__main__":