diff --git a/Monicelli.ll b/Monicelli.ll
index 5662940..41b96d9 100644
--- a/Monicelli.ll
+++ b/Monicelli.ll
@@ -149,6 +149,11 @@ CHAR  [a-zA-Z_]
 
 [ \t\f\v] {}
 
+"due" {
+    yylval.intval = 2;
+    return NUMBER;
+}
+
 {CHAR}({DIGIT}|{CHAR})* {
     yylval.strval = strdup(yytext);
     return ID;