diff --git a/lab-3/scanner.flex b/lab-3/scanner.flex
index 0838033..b6824a4 100644
--- a/lab-3/scanner.flex
+++ b/lab-3/scanner.flex
@@ -29,6 +29,12 @@ END-PERFORM { return TOKEN_END_PERFORM; }
 IF { return TOKEN_IF; }
 END-IF { return TOKEN_END_IF; }
 SPACE { return TOKEN_SPACE; }
+PIC { return TOKEN_PICTURE; }
+OCCURS { return TOKEN_KEYWORD_OCCURS; }
+VALUE { return TOKEN_KEYWORD_VALUE; }
+X { return TOKEN_ALPHANUMERIC; }
+S9 { return TOKEN_SIGNED_NUMERIC; }
+9 { return TOKEN_NUMERIC; }
 
 \+ { return TOKEN_ADD; }
 \- { return TOKEN_SUB; }
diff --git a/lab-3/token.h b/lab-3/token.h
index 7ffcc96..155ca08 100644
--- a/lab-3/token.h
+++ b/lab-3/token.h
@@ -24,11 +24,19 @@ typedef enum {
   TOKEN_IF,
   TOKEN_END_IF,
   TOKEN_SPACE,
+  TOKEN_KEYWORD_OCCURS,
+  TOKEN_KEYWORD_VALUE,
 
   // Identifiers
   TOKEN_IDENT,
+  // Data types
   TOKEN_STRING,
   TOKEN_INTEGER,
+  TOKEN_PICTURE,
+  TOKEN_ALPHANUMERIC,
+  TOKEN_NUMERIC,
+  TOKEN_SIGNED_NUMERIC,
+  // Grammar
   TOKEN_LEFT_PARENTHESIS,
   TOKEN_RIGHT_PARENTHESIS,
   TOKEN_DOT,