diff --git a/labs04/task03.py b/labs04/task03.py
index 9f22b70..b238a96 100644
--- a/labs04/task03.py
+++ b/labs04/task03.py
@@ -16,7 +16,7 @@ class Point:
         if is_numeric(coordinates):
             self.coordinates = coordinates
         else:
-            raise Exception("Coordinates are not numeric")
+            raise DimensionError("Coordinates are not numeric")
 
     def to_string(self):
         return str(self.coordinates)
@@ -47,11 +47,12 @@ def add(point_1, point_2):
 if __name__ == "__main__":
 
     new_point = Point([5, 10, 12, 6])
-    print(new_point.__len__())
+    new_point.to_string()
+    new_point.__len__()
     new_point_2 = Point([12, 23, 21, 16])
     print(new_point_2.__str__())
     new_point_3 = add(new_point, new_point_2)
 
     print('1st point =', new_point)
     print('2nd point =', new_point_2)
-    print('1st point + 2nd point = ', new_point_3)
+    print('1st point + 2nd point = ', new_point_3)
\ No newline at end of file