diff --git a/.gitignore b/.gitignore
index 585d773..5545717 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,3 @@ out/
 *.zip
 prg/**/*.ast
 prg/**/*.out
-prg/**/*.pins25
\ No newline at end of file
diff --git a/prg/test.pins25 b/prg/test.pins25
new file mode 100644
index 0000000..9b7e0d5
--- /dev/null
+++ b/prg/test.pins25
@@ -0,0 +1,4 @@
+fun putint(n)
+
+fun main() =
+	putint(__LINE__)
\ No newline at end of file
diff --git a/src/pins25/common/Token.java b/src/pins25/common/Token.java
index 2685303..a4c9d07 100644
--- a/src/pins25/common/Token.java
+++ b/src/pins25/common/Token.java
@@ -148,7 +148,11 @@ public record Token(Report.Location location, Symbol symbol, String lexeme) impl
         /**
          * Simbol {@code )}.
          */
-        RPAREN;
+        RPAREN,
+        /**
+         * Simbol {@code __LINE__}.
+         */
+        LINE
     }
 
     @Override
diff --git a/src/pins25/phase/LexAn.java b/src/pins25/phase/LexAn.java
index 888f692..46a92ed 100644
--- a/src/pins25/phase/LexAn.java
+++ b/src/pins25/phase/LexAn.java
@@ -319,6 +319,7 @@ public class LexAn implements AutoCloseable {
             case "let" -> Token.Symbol.LET;
             case "in" -> Token.Symbol.IN;
             case "end" -> Token.Symbol.END;
+            case "__LINE__" -> Token.Symbol.LINE;
             default -> null;
         };
     }
@@ -451,6 +452,15 @@ public class LexAn implements AutoCloseable {
             symbol = Token.Symbol.IDENTIFIER;
         }
 
+        if (symbol == Token.Symbol.LINE) {
+            buffToken = new Token(
+                    new Report.Location(startLocation, endLocation),
+                    Token.Symbol.INTCONST,
+                    Integer.toString(startLocation.begLine())
+            );
+            return;
+        }
+
         buffToken = new Token(
                 new Report.Location(startLocation, endLocation),
                 symbol,