diff --git a/main.py b/main.py
index 209796f..8e36f6b 100644
--- a/main.py
+++ b/main.py
@@ -15,7 +15,10 @@ try:
                 if subject_edit:
                     subject_edit.add_grade_category(user_input[3], user_input[4])
             elif user_input[1] == "subject":
-                subjects.append(subject.Subject(user_input[2], _, _))
+                subjects.append(subject.Subject(user_input[2], user_input[3], user_input[4]))
+        elif user_input[0] == "output":
+            subject_get = subject.get_subject(subjects, user_input[1])
+            user_IO.user_output(subject_get.)
     raise SystemError
 
 except Exception as e:
diff --git a/user_IO.py b/user_IO.py
index 3595133..91b6da5 100644
--- a/user_IO.py
+++ b/user_IO.py
@@ -10,7 +10,17 @@ def user_input():
         user_add = input()
         if user_add == "subject":
             subject = input("Which subject do you want to add? \n")
-            return "input", "subject", subject
+            main_subject = input("Is this subject a main subject (Hauptfach)[y/n]? \n")
+            if main_subject == 'y':
+                main_subject = True
+            elif main_subject == 'n':
+                main_subject = False
+            oral_exam = input("Will there be an oral exam in this subject [y/n]? \n")
+            if oral_exam == 'y':
+                oral_exam = True
+            elif oral_exam == 'n':
+                oral_exam = False
+            return "input", "subject", subject, main_subject, oral_exam
         elif user_add == "category":
             subject = input("To which subject do you want to add the category? \n")
             category = input("Which category do you want to add? \n")
@@ -22,3 +32,8 @@ def user_input():
             grade = input("Grade? \n")
             grade_name = input("What's the name of the grade? \n")
             return "input", "grade", subject, category, grade, grade_name
+
+
+def user_output(i):
+    # just filled with some standard output, has to be filled further
+    print(i)
\ No newline at end of file