diff --git a/1ano/README.md b/1ano/README.md
index b279da9..925f87c 100755
--- a/1ano/README.md
+++ b/1ano/README.md
@@ -6,5 +6,11 @@
 - [Introdução à Engenharia Informática](https://github.com/TiagoRG/uaveiro-leci/tree/master/1ano/iei) | Ano de conclusão: 2022/2023
 - [Introdução aos Sistemas Digitais](https://github.com/TiagoRG/uaveiro-leci/tree/master/1ano/isd) | Ano de conclusão: 2022/2023
 
+### 2º Semestre
+
+- [Programação Orientada a Objetos](https://github.com/TiagoRG/uaveiro-leci/tree/master/1ano/poo)
+- [Laboratórios de Informática](https://github.com/TiagoRG/uaveiro-leci/tree/master/1ano/labi)
+- [Laboratório de Sistemas Digitais](https://github.com/TiagoRG/uaveiro-leci/tree/master/1ano/lsd)
+
 ---
 *Pode conter erros, caso encontre algum, crie um* [*ticket*](https://github.com/TiagoRG/uaveiro-leci/issues/new)
diff --git a/1ano/fp/extra3/ex11.py b/1ano/fp/extra3/ex11.py
index eea9be7..6292b2c 100644
--- a/1ano/fp/extra3/ex11.py
+++ b/1ano/fp/extra3/ex11.py
@@ -1,11 +1,4 @@
 def onlyCaps(s):
     # NOTE: ch.isupper() -> True if ch is uppercase.
-    if len(s) == 0:
-        return ""
-    if len(s) == 1:
-        return s if s.isupper() else ""
-    return s[0] + onlyCaps(s[1:]) if s[0].isupper() else onlyCaps(s[1:])
+    return (s if len(s) == 0 or (len(s) == 1 and s.isupper()) else "") if len(s) <= 1 else (s[0] + onlyCaps(s[1:]) if s[0].isupper() else onlyCaps(s[1:]))
 
-
-print(onlyCaps("John Fitzgerald Kennedy"))
-print(onlyCaps(""))
diff --git a/1ano/isd/quartus-projects/AdderDemo/AdderDemo.qws b/1ano/isd/quartus-projects/AdderDemo/AdderDemo.qws
index 2864c4f..8a9126b 100644
Binary files a/1ano/isd/quartus-projects/AdderDemo/AdderDemo.qws and b/1ano/isd/quartus-projects/AdderDemo/AdderDemo.qws differ
diff --git a/1ano/isd/quartus-projects/AdderDemo/db/AdderDemo.db_info b/1ano/isd/quartus-projects/AdderDemo/db/AdderDemo.db_info
index 0e5e69c..1772d20 100644
--- a/1ano/isd/quartus-projects/AdderDemo/db/AdderDemo.db_info
+++ b/1ano/isd/quartus-projects/AdderDemo/db/AdderDemo.db_info
@@ -1,3 +1,3 @@
 Quartus_Version = Version 20.1.1 Build 720 11/11/2020 SJ Lite Edition
 Version_Index = 520278016
-Creation_Time = Thu Dec  1 16:34:59 2022
+Creation_Time = Wed Jan 18 13:25:36 2023