diff --git a/src/lex/lexer.l b/src/lex/lexer.l
index c09798d..f69347b 100644
--- a/src/lex/lexer.l
+++ b/src/lex/lexer.l
@@ -56,8 +56,19 @@
 
 "while" return(KeyWhile);
 
-
-
+"in" return(KeyIn);
+"out" return(KeyOut);
+"fun" return(KeyFun);
+"," return(',');
+";"  return(';');
+"==" return(OpEquals);
+"&&" return(OpAnd);
+"||" return(OpOr);
+"!!" return(OpNot);
+"^^" return(OpXor);
+"&" return('&');
+"^" return('^');
+"." return('.');
 
 
 
diff --git a/src/yacc/parser.y b/src/yacc/parser.y
index 4552fbd..ac5608e 100644
--- a/src/yacc/parser.y
+++ b/src/yacc/parser.y
@@ -40,6 +40,15 @@
 
 %token KeyWhile
 
+%token KeyIn
+%token KeyOut
+%token KeyFun
+%token OpEquals
+%token OpAnd
+%token OpOr
+%token OpNot
+%token OpXor
+
 
 
 
@@ -65,6 +74,11 @@ decl: '=' {printf("=\n"); };
     | '*' {printf("*\n"); }; 
     | '/' {printf("/\n"); }; 
 
+    | '&' {printf("&\n"); }; 
+    | '^' {printf("^\n"); }; 
+    | '.' {printf(".\n"); }; 
+    | ',' {printf(",\n"); }; 
+    | ';' {printf(";\n"); }; 
 
 
 
@@ -91,6 +105,18 @@ decl: '=' {printf("=\n"); };
     | KeyElse {printf("KeyElse\n"); };
 
     | KeyWhile {printf("KeyWhile\n"); };
+
+    | KeyIn {printf("KeyIn\n"); };
+    | KeyOut {printf("KeyOut\n"); };
+    | KeyFun {printf("KeyFun\n"); };
+    | OpEquals {printf("OpEquals\n"); };
+    | OpAnd {printf("OpAnd\n"); };
+    | OpOr {printf("OpOr\n"); };
+    | OpNot {printf("OpNot\n"); };
+    | OpXor {printf("OpXor\n"); };
+
+
+
     
 %%