diff --git a/TaskB01/test.out b/TaskB01/test.out
index e35a5ab..484228a 100644
--- a/TaskB01/test.out
+++ b/TaskB01/test.out
@@ -1,4 +1,4 @@
-сYES
+YES
 NO
 YES
 NO
diff --git a/TaskB06/simple.out b/TaskB06/simple.out
index bf934da..5158019 100644
--- a/TaskB06/simple.out
+++ b/TaskB06/simple.out
@@ -1,3 +1,3 @@
-YES
+NO
 YES
 YES
diff --git a/TaskC00/long.out b/TaskC00/long.out
new file mode 100644
index 0000000..0f1f899
--- /dev/null
+++ b/TaskC00/long.out
@@ -0,0 +1,3 @@
+NO
+NO
+YES
diff --git a/TaskC00/main.py b/TaskC00/main.py
new file mode 100644
index 0000000..70a1245
--- /dev/null
+++ b/TaskC00/main.py
@@ -0,0 +1,66 @@
+import sys
+sys.setrecursionlimit(5000)
+
+def write_answer(answer):
+    with open(output_file, 'a') as file:
+        file.write(answer+'\n')
+
+# def remove_first_symbol_from_the_list():
+
+def line_checking(row, position):
+    help_row = row
+    help_position = position
+    next_character_array =[]
+    bool_value = False
+    for element in row:
+        if element=='\n':
+                if position in what_is_the_ended_positions():
+                    return True
+                else:
+                    return False
+        next_character_array = find_next_position(help_position, element)
+        if next_character_array != []:
+            if len(next_character_array)>1:
+                for element_in_next_character_array in next_character_array:
+                    if bool_value ==True:
+                        break
+                    else:
+                        bool_value =line_checking(help_row[1:], element_in_next_character_array)
+            else:
+                # remove_first_symbol_from_the_list()
+                help_row = help_row[1:]
+                bool_value = line_checking(help_row, next_character_array[0])
+        else:
+            break
+        return bool_value
+
+
+def find_next_position(position, character):
+    with open(used_table, 'r') as readed_used_table:
+        take_all_possible_positions = []
+        for row_used_table in readed_used_table:
+            line = row_used_table.strip().split('\t')
+            if len(line) != 1:
+                if position == line[0] and character == line[2]:
+                    take_all_possible_positions.append(line[1])
+
+        return take_all_possible_positions
+def what_is_the_ended_positions():
+    array = []
+    with open(used_table, 'r') as file:
+        for row in file:
+            line = row.strip().split('\t')
+            if len(line)==1:
+                array += line
+        return array
+used_table = 'long.arg'
+input_file = 'long.in'
+output_file = 'long.out'
+# what_is_the_ended_positions()
+with open(output_file, 'w') as readed_output_file:
+    with open(input_file, 'r') as readed_input_file:
+        for row_input_file in readed_input_file:
+            if line_checking(row_input_file, '0')==True:
+                write_answer('YES')
+            else:
+                write_answer('NO')
diff --git a/TaskC00/run.py b/TaskC00/run.py
new file mode 100644
index 0000000..1c8402b
--- /dev/null
+++ b/TaskC00/run.py
@@ -0,0 +1,37 @@
+import sys
+def write_answer(answer):
+    with open(output_file, 'a') as file:
+        file.write(answer+'\n')
+def find_next_position(position, character):
+    with open(used_table, 'r') as readed_used_table:
+        # array_which_contain_accepted_positions = []
+        for row_used_table in readed_used_table:
+            line = row_used_table.strip().split('\t')
+            if len(line) != 1:
+                if position == line[0] and character == line[2]:
+
+                    return True,line[1]
+
+used_table = 'testnfa.arg'
+input_file = 'testnfa.in'
+output_file = 'testnfa.out'
+# used_table = sys.argv[1]
+# input_file = sys.argv[2]
+# output_file = sys.argv[3]
+with open(output_file, 'w') as readed_output_file:
+    with open(input_file, 'r') as readed_input_file:
+        for row_input_file in readed_input_file:
+            result  = False
+            next_position = None
+            position = '0'
+            for character in row_input_file:
+                if character =='\n':
+                    if position=='3' or position =='4':
+                        write_answer('YES')
+                        break
+                    else:
+                        write_answer('NO')
+                        break
+                result, next_position = find_next_position(position,character)
+                if result == True:
+                    position = next_position
\ No newline at end of file
diff --git a/TaskC00/test1.out b/TaskC00/test1.out
new file mode 100644
index 0000000..4c1a9bc
--- /dev/null
+++ b/TaskC00/test1.out
@@ -0,0 +1,9 @@
+NO
+YES
+NO
+NO
+NO
+NO
+NO
+NO
+NO
diff --git a/TaskC00/testnfa.out b/TaskC00/testnfa.out
new file mode 100644
index 0000000..24a4794
--- /dev/null
+++ b/TaskC00/testnfa.out
@@ -0,0 +1,8 @@
+Yes
+Yes
+NO
+NO
+NO
+Yes
+NO
+Yes