diff --git a/ast_nodes.py b/ast_nodes.py
index 2eed3d5..895d82c 100644
--- a/ast_nodes.py
+++ b/ast_nodes.py
@@ -69,7 +69,7 @@ class DataRangeArray(BaseBox):
         content_string = rep_join([self.from_value, self.to_value])
         return f"RangeArray([{content_string}])"
 
-    def eval(self, vtable, ftable, modules):
+    def eval(self, *_):
         content = list(range(self.from_value.eval(), self.to_value.eval()))
         return content
 
diff --git a/main.py b/main.py
index 0cb5b72..3d56b0b 100644
--- a/main.py
+++ b/main.py
@@ -2,23 +2,13 @@ from lexer import Lexer
 from parser import Parser
 
 text_input = """
-VOCA FORS
-
-DESIGNA correct UT FORTIS_NUMERUS I C
-DESIGNA gvess UT NULLUS
-
-DUM FALSITAS FACE {
-    DESIGNA gvess UT AUDI_NUMERUS
-    SI gvess MINUS correct TUNC {
-        DICE "Too low!"
-    } ALUID SI gvess PLUS correct TUNC {
-        DICE "Too high!"
-    } ALUID {
-        ERUMPE
-    }
+DEFINI invoca i UT {
+    REDI i
 }
 
-DICE "You guessed correctly!"
+DESIGNA invoca UT I
+
+DICE (INVOCA invoca invoca)
 """
 
 lexer = Lexer().get_lexer()
@@ -28,7 +18,7 @@ parser = pg.get_parser()
 
 tokens = lexer.lex(text_input)
 #for token in tokens:
-# print(token)
+#    print(token)
 
 x = parser.parse(tokens)
 #print(x)
diff --git a/parser.py b/parser.py
index cc73107..1e9a956 100644
--- a/parser.py
+++ b/parser.py
@@ -11,6 +11,7 @@ class Parser():
         self.pg = ParserGenerator(
             ALL_TOKENS,
             precedence=[
+                ('left', ["KEYWORD_PLUS", "KEYWORD_MINUS", "KEYWORD_EST"]),
                 ('left', ["SYMBOL_PLUS", "SYMBOL_MINUS"]),
                 ('left', ["SYMBOL_TIMES", "SYMBOL_DIVIDE"])
             ]