diff --git a/.gitignore b/.gitignore
index 768b263..4106712 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 *.pdf
 venv
-.idea
\ No newline at end of file
+.idea
+*.docx
diff --git a/3.py b/3.py
index 726d000..fef9cf3 100644
--- a/3.py
+++ b/3.py
@@ -95,6 +95,7 @@ if brackets is not None:
 result = result[:len(result) - 2] + '\n'
 result += '}'
 with open('output.json', 'w', encoding='UTF-8') as output:
+    print(result)
     result = result.replace('\n', '')
     r = ''
     data = False
diff --git a/4.py b/4.py
index 25635ad..aed06cf 100644
--- a/4.py
+++ b/4.py
@@ -19,7 +19,7 @@ def task0():
         global result, tab
         result += f'{" " * (tabArray + tab + 2)}{string}'
 
-    with open('input.yaml', encoding='UTF-8') as inpt:
+    with open('input-csv.yaml', encoding='UTF-8') as inpt:
         inpt = inpt.readlines()
         for key, i in enumerate(inpt):
             i = i.split(':')
@@ -66,7 +66,7 @@ def task0():
 
 
 def task1():
-    with open('input.yaml', encoding='UTF-8') as inpt:
+    with open('input-csv.yaml', encoding='UTF-8') as inpt:
         obj = yaml.safe_load(inpt)
         json.dumps(obj, ensure_ascii=False).encode('utf8')
 
@@ -87,7 +87,7 @@ def task2():
         global result, tab, tabArray
         result += f'{" " * (tabArray + tab + 2)}{string}'
 
-    with open('input.yaml', encoding='UTF-8') as inpt:
+    with open('input-csv.yaml', encoding='UTF-8') as inpt:
         inpt = inpt.readlines()
         for key, i in enumerate(inpt):
             i = i.split(':')
@@ -137,6 +137,121 @@ def task2():
     result += '}'
 
 
+# --- TASK 3 --- #
+    
+TAB_SIZE = 2
+tab = 0
+tabArray = 0
+result = '{\n'
+brackets = []
+array = 0
+simpleArray = False
+
+
+def append_to_result(string):
+    global result, tab
+    result += f'{" " * (tabArray + tab + 2)}{string}'
+
+
+def compute_tab_size(yamlFile):
+    for i in yamlFile[1:]:
+        deltaTab = len(i) - len(i.lstrip())
+        if deltaTab != 0:
+            return deltaTab
+    return 0
+
+
+def task3():
+    with open('input.yaml', encoding='UTF-8') as inpt:
+        inpt = inpt.readlines()
+        TAB_SIZE = compute_tab_size(inpt)
+
+        for key, i in enumerate(inpt):
+            if i.lstrip()[0] == '#':
+                continue
+
+            if i.count(':') == 0 and i.strip()[0] == '-':
+                append_to_result(f'{transform(i.strip()[2:])},\n')
+                simpleArray = True
+                continue
+            if simpleArray:
+                result = result[:len(result) - 2] + '\n'
+                append_to_result(brackets.pop() + ',\n')
+                simpleArray = False
+
+            i = [i.split('#')[0].split(':')[0], ':'.join(i.split('#')[0].split(':')[1:])]
+
+            # Обработка табов
+            deltaTab = len(i[0]) - len(i[0].lstrip())
+            if tab != deltaTab:
+                if tab < deltaTab:
+                    tab = deltaTab
+                else:
+                    result = result[:len(result) - 2] + '\n'
+                    append_to_result(brackets.pop() + ',\n')
+                    if abs(deltaTab - tab)//TAB_SIZE > 1:
+                        result = result[:len(result) - 2] + '\n'
+                        append_to_result(brackets.pop() + ',\n')
+                    tab = deltaTab
+
+            # Обработка массивов
+            if i[0].strip()[0] == '-':
+                i[0] = i[0].lstrip()[1:].strip()
+                append_to_result('{\n')
+                brackets.append('}')
+                tab += TAB_SIZE
+
+            # Обработка вложенных объектов
+            if i[1].strip() == '':
+                br = ''
+                if inpt[key+1].split(':')[0].strip()[0] == '-':
+                    br = '[]'
+                else:
+                    br = '{}'
+                append_to_result(f'"{i[0].strip()}": {br[0]}\n')
+                brackets.append(br[1])
+            else:
+                def transform(s: str):
+                    try:
+                        return int(s)
+                    except:
+                        try:
+                            return float(s)
+                        except:
+                            if s.strip() in ["y", "Y", "yes", "Yes", "YES", "n", "N", "no", "No", "NO", "true", "True", "TRUE"]:
+                                return "true"
+                            elif s.strip() in ["false", "False", "FALSE", "on", "On", "ON", "off", "Off", "OFF"]:
+                                return "false"
+                    return '"' + s.replace("\\", "\\\\").replace("\"", "\\\"").strip() + '"'
+
+
+                i = list(map(transform, i))
+                append_to_result(f'{i[0]}: {i[1]},\n')
+    if brackets is not None:
+        for _ in range(len(brackets)):
+            tab -= TAB_SIZE
+            result = result[:len(result) - 2] + '\n'
+            i = brackets.pop()
+            append_to_result(i + ',\n')
+
+    result = result[:len(result) - 2] + '\n'
+    result += '}'
+    with open('output.json', 'w', encoding='UTF-8') as output:
+        print(result)
+        result = result.replace('\n', '')
+        r = ''
+        data = False
+        for key, i in enumerate(result):
+            if i != ' ' and not data:
+                r += i
+            if data:
+                r += i
+            if i == '"' and result[key - 1:key+1] != r'\"':
+                data = not data
+        output.write(r)
+        print(r)
+
+
 t0 = time.perf_counter()
 for _ in range(100):
     task0()
@@ -151,3 +266,8 @@ t2 = time.perf_counter()
 for _ in range(100):
     task2()
 print('Задание 2: ', time.perf_counter() - t2)
+
+t3 = time.perf_counter()
+for _ in range(100):
+    task2()
+print('Задание 3: ', time.perf_counter() - t3)
diff --git a/input.yaml b/input.yaml
index 7b68a81..662bf18 100644
--- a/input.yaml
+++ b/input.yaml
@@ -9,8 +9,8 @@ lessons:
     Hello: true
     weekday: Четверг
     time: 10:00-11:30
-    audience: Ауд. 1410, Кронверкский пр., д.49, лит.А
-    teacher: Айба Тамара Гурамовна
+    audience: Ауд. 1410, Кро{нверкский пр., д.49, лит.А
+    teacher: Айба Тамара Гурам}овна
     type: Практика
     format: Очно
   - subject: История России и мира в ХХ веке
diff --git a/output.json b/output.json
index 7da6abb..e53d687 100644
--- a/output.json
+++ b/output.json
@@ -1 +1 @@
-{"lessons":[{"subject":"Ист\"ория России и мира в ХХ веке","hella":"7,3","chto":["a","b","c","d"],"Hello":true,"weekday":"Четверг","time":"10:00-11:30","audience":"Ауд. 1410, Кронверкский пр., д.49, лит.А","teacher":"Айба Тамара Гурамовна","type":"Практика","format":"Очно"},{"subject":"История России и мира в ХХ веке","weekday":"Четверг","time":"15:20-16:50","audience":"Ауд. Lemon Classroom (1419), Кронверкский пр., д.49, лит.А","teacher":"Пригодич Никита Дмитриевич","type":"Лекция","format":"Очно - дистанционный,","chot":true,"nea":33.6,"wawa":[{"mama":"mia","ech":"toumio"},{"mama":"mia","ech":"toumio"},{"mama":"mia","ech":"toumio"}]}]}
\ No newline at end of file
+{"lessons":[{"subject":"Ист\"ория России и мира в ХХ веке","hella":"7,3","chto":["a","b","c","d"],"Hello":true,"weekday":"Четверг","time":"10:00-11:30","audience":"Ауд. 1410, Кро{нверкский пр., д.49, лит.А","teacher":"Айба Тамара Гурам}овна","type":"Практика","format":"Очно"},{"subject":"История России и мира в ХХ веке","weekday":"Четверг","time":"15:20-16:50","audience":"Ауд. Lemon Classroom (1419), Кронверкский пр., д.49, лит.А","teacher":"Пригодич Никита Дмитриевич","type":"Лекция","format":"Очно - дистанционный,","chot":true,"nea":33.6,"wawa":[{"mama":"mia","ech":"toumio"},{"mama":"mia","ech":"toumio"},{"mama":"mia","ech":"toumio"}]}]}
\ No newline at end of file