diff --git a/TaskD04/description.txt b/TaskD04/description.txt
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--- /dev/null
+++ b/TaskD04/description.txt
@@ -0,0 +1,6 @@
+Write a program to find all maximum substrings of digits.
+Return only these substrings separated by spaces in their order.
+Do use regular expressions.
+
+POINTS: 2
+DEADLINE: 2023-11-26 23:59:59
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diff --git a/TaskD04/run.py b/TaskD04/run.py
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+++ b/TaskD04/run.py
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+import re
+import sys
+
+def remove_non_digits(line):
+    
+    return re.sub(r'[^0-9\s]', '', line)
+
+
+processed_lines = []
+
+for line in sys.stdin:
+    processed_line = remove_non_digits(line)
+    processed_line = re.sub(r'^\s+|\s+$', '', processed_line)
+    processed_line = re.sub(r'\s+', ' ', processed_line)
+
+    digit_groups = re.findall(r'\d+', processed_line)
+    
+    if digit_groups:
+        processed_lines.append(' '.join(digit_groups))
+
+print('\n'.join(processed_lines), end='')
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diff --git a/TaskD04/simple.exp b/TaskD04/simple.exp
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index 0000000..c184ec8
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+++ b/TaskD04/simple.exp
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+34234 34 5
+34535
+34
+1992 1999
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diff --git a/TaskD04/simple.in b/TaskD04/simple.in
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index 0000000..df710ac
--- /dev/null
+++ b/TaskD04/simple.in
@@ -0,0 +1,5 @@
+34234 34 dfd gfd 5
+34535
+fsdflskfjsdflk
+fsdkfj sdf34fdfd
+The company was established in 1992 from the merger of Authorware, Inc. (creators of the Authorware package) and MacroMind-Paracomp (producer of Macromind Director). In 1999, Macromedia purchased Allaire and its bi
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diff --git a/TaskD04/simple.out b/TaskD04/simple.out
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index 0000000..c184ec8
--- /dev/null
+++ b/TaskD04/simple.out
@@ -0,0 +1,4 @@
+34234 34 5
+34535
+34
+1992 1999
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