diff --git a/TaskF04/run.py b/TaskF04/run.py
index 8766b89..0defbf9 100644
--- a/TaskF04/run.py
+++ b/TaskF04/run.py
@@ -9,9 +9,6 @@ def replace_second_number(line):
         group1 = matches.group(1)
         group2 = matches.group(2)
         group3 = matches.group(3)
-        print('group1:', group1)
-        print('group2:', group2)
-        print('group3:', group3)
     if group2 != '':
         modified_line = group1 + group3
         return modified_line
diff --git a/TaskF04/simple.out b/TaskF04/simple.out
index d42a47f..489e39e 100644
--- a/TaskF04/simple.out
+++ b/TaskF04/simple.out
@@ -1,3 +1,3 @@
 Mam 2 jabłka i  banananów.
-Mam 22 jabłka i  banananów oraz 20 gruszek.
-Widziałem 2 bociany.
+Mam 2 jabłka i 35 banananów oraz 20 gruszek.
+Widzia2łem  bociany.
diff --git a/TaskF05/run.py b/TaskF05/run.py
new file mode 100644
index 0000000..8a3cd8d
--- /dev/null
+++ b/TaskF05/run.py
@@ -0,0 +1,32 @@
+import re
+import sys
+
+
+def analyze_line(line):
+    word_pattern = r'\w+'
+    pattern = re.compile(r'(\w+ \w+ )(\w+)(.*)')
+    words = re.findall(word_pattern, line)
+    if len(words) >= 3:
+        modified_line = re.sub(pattern, r'\1' + 'x' * len(words[2]) + r'\3', line, count=1)
+        return modified_line
+    else:
+        return line
+
+def write_answer(row, ouput_file):
+    with open(ouput_file, "a", encoding="utf-8") as file:
+        file.write(row)
+
+
+def main_function(input_file, output_file):
+    with open(output_file, "w", encoding="utf-8") as output_file1:
+        with open(input_file, "r", encoding="utf-8") as file:
+            for row in file:
+                write_answer(analyze_line(row), output_file)
+
+output_file ='simple.out'
+input_file = 'simple.in'
+# input_file = sys.argv[1]
+# output_file = sys.argv[2]
+main_function(input_file, output_file)
+
+
diff --git a/TaskF05/simple.out b/TaskF05/simple.out
new file mode 100644
index 0000000..daf42d5
--- /dev/null
+++ b/TaskF05/simple.out
@@ -0,0 +1,2 @@
+Mam 2 xxxxxx i 35 banananów.
+Widziałem 2 xxxxxxx.