diff --git a/TaskE00/run.py b/TaskE00/run.py
index 431cdd0..9300d51 100644
--- a/TaskE00/run.py
+++ b/TaskE00/run.py
@@ -1,7 +1,7 @@
 import re
 
 def check_number_divisible_by_5(input_string):
-    pattern = r'^[1-9]*(0|5)$'
+    pattern = r'^(5|0|[1-9][0-9]*[05])$'
 
     if re.match(pattern, input_string):
         print('yes')
diff --git a/TaskE01/run.py b/TaskE01/run.py
new file mode 100644
index 0000000..32b00eb
--- /dev/null
+++ b/TaskE01/run.py
@@ -0,0 +1,18 @@
+import re
+
+def check_number_divisible_by_5(input_string):
+    pattern = r'^(0|25|50|75|[1-9][0-9]*(25|00|50|75))$'
+
+    if re.match(pattern, input_string):
+        print('yes')
+    else:
+        print('no')
+
+if __name__ == "__main__":
+    try:
+        while True:
+            line = input()
+            check_number_divisible_by_5(line)
+
+    except EOFError:
+        pass
diff --git a/TaskE02/run.py b/TaskE02/run.py
new file mode 100644
index 0000000..e69de29
diff --git a/TaskE03/run.py b/TaskE03/run.py
new file mode 100644
index 0000000..1e5046b
--- /dev/null
+++ b/TaskE03/run.py
@@ -0,0 +1,18 @@
+import re
+
+def check_number_divisible_by_5(input_string):
+    pattern = r'^(\d{3}-\d{3}-\d{2}-\d{2}|\d{3}\d{2}-\d{2}-\d{3})$'
+
+    if re.match(pattern, input_string):
+        print('yes')
+    else:
+        print('no')
+
+if __name__ == "__main__":
+    try:
+        while True:
+            line = input()
+            check_number_divisible_by_5(line)
+
+    except EOFError:
+        pass
diff --git a/TaskE04/run.py b/TaskE04/run.py
new file mode 100644
index 0000000..8955d13
--- /dev/null
+++ b/TaskE04/run.py
@@ -0,0 +1,18 @@
+import re
+
+def check_number_divisible_by_5(input_string):
+    pattern = r'^555(-\d{3}-\d{3}| \d{3} \d{3})$'
+
+    if re.match(pattern, input_string):
+        print('yes')
+    else:
+        print('no')
+
+if __name__ == "__main__":
+    try:
+        while True:
+            line = input()
+            check_number_divisible_by_5(line)
+
+    except EOFError:
+        pass
diff --git a/TaskE05/run.py b/TaskE05/run.py
new file mode 100644
index 0000000..d78f0c0
--- /dev/null
+++ b/TaskE05/run.py
@@ -0,0 +1,18 @@
+import re
+
+def check_number_divisible_by_5(input_string):
+    pattern = r'^(PCMCIA|WYSIWYG|[A-Z]{2,5})$'
+
+    if re.match(pattern, input_string):
+        print('yes')
+    else:
+        print('no')
+
+if __name__ == "__main__":
+    try:
+        while True:
+            line = input()
+            check_number_divisible_by_5(line)
+
+    except EOFError:
+        pass
diff --git a/TaskE06/run.py b/TaskE06/run.py
new file mode 100644
index 0000000..8d7c347
--- /dev/null
+++ b/TaskE06/run.py
@@ -0,0 +1,18 @@
+import re
+
+def check_number_divisible_by_5(input_string):
+    pattern = r'^[1-9]\d{4,5}$'
+
+    if re.match(pattern, input_string):
+        print('yes')
+    else:
+        print('no')
+
+if __name__ == "__main__":
+    try:
+        while True:
+            line = input()
+            check_number_divisible_by_5(line)
+
+    except EOFError:
+        pass
diff --git a/TaskE07/run.py b/TaskE07/run.py
new file mode 100644
index 0000000..40ca59f
--- /dev/null
+++ b/TaskE07/run.py
@@ -0,0 +1,18 @@
+import re
+
+def check_number_divisible_by_5(input_string):
+    pattern = r'^\*+$'
+
+    if re.match(pattern, input_string):
+        print('yes')
+    else:
+        print('no')
+
+if __name__ == "__main__":
+    try:
+        while True:
+            line = input()
+            check_number_divisible_by_5(line)
+
+    except EOFError:
+        pass