diff --git a/TaskD01/run.py b/TaskD01/run.py
new file mode 100644
index 0000000..20193fa
--- /dev/null
+++ b/TaskD01/run.py
@@ -0,0 +1,7 @@
+import re
+import sys
+
+for line in sys.stdin:
+	stripped_line = line.strip()
+	if re.search("Hamlet", stripped_line):
+		print(stripped_line)
diff --git a/TaskD01/simple.out b/TaskD01/simple.out
new file mode 100644
index 0000000..8f93eae
--- /dev/null
+++ b/TaskD01/simple.out
@@ -0,0 +1,2 @@
+Here comes Hamlet
+Hamlet Hamlet again
diff --git a/TaskD02/run.py b/TaskD02/run.py
new file mode 100644
index 0000000..5ebb7af
--- /dev/null
+++ b/TaskD02/run.py
@@ -0,0 +1,7 @@
+import re
+import sys
+
+for line in sys.stdin:
+	stripped_line = line.strip()
+	if re.search(r"\bpies\b", stripped_line, re.IGNORECASE):
+		print(stripped_line)
diff --git a/TaskD02/simple.out b/TaskD02/simple.out
new file mode 100644
index 0000000..7b3620b
--- /dev/null
+++ b/TaskD02/simple.out
@@ -0,0 +1,3 @@
+Pies ma Alę
+Kot i pies to zwierzęta
+pies
diff --git a/TaskD03/run.py b/TaskD03/run.py
new file mode 100644
index 0000000..5917937
--- /dev/null
+++ b/TaskD03/run.py
@@ -0,0 +1,7 @@
+import re
+import sys
+
+for line in sys.stdin:
+	stripped_line = line.strip()
+	if re.search("19[0-9][0-9] r\.", stripped_line, re.IGNORECASE):
+		print(stripped_line)
diff --git a/TaskD03/simple.out b/TaskD03/simple.out
new file mode 100644
index 0000000..7134c32
--- /dev/null
+++ b/TaskD03/simple.out
@@ -0,0 +1,3 @@
+Kiedyś był 1934 r.
+Kiedyś był 1934 r.fsdfsdfsdf
+1934 r. to jakaś data
diff --git a/TaskD04/run.py b/TaskD04/run.py
new file mode 100644
index 0000000..b45ed5c
--- /dev/null
+++ b/TaskD04/run.py
@@ -0,0 +1,10 @@
+import re
+import sys
+
+for line in sys.stdin:
+	stripped_line = line.strip()
+	if re.search("\d+", stripped_line):
+		sub = re.findall("\d+", stripped_line)
+		print(' '.join(sub))
+
+
diff --git a/TaskD04/simple.out b/TaskD04/simple.out
new file mode 100644
index 0000000..c661a47
--- /dev/null
+++ b/TaskD04/simple.out
@@ -0,0 +1,4 @@
+34234 34 5
+34535
+34
+1992 1999