diff --git a/homework4.py b/homework4.py
new file mode 100644
index 0000000..6c15210
--- /dev/null
+++ b/homework4.py
@@ -0,0 +1,48 @@
+"""Homework 4: Multiprocessing"""
+
+from multiprocessing import Lock
+from multiprocessing import Process
+
+
+class SyncedProcess(Process):
+    """My class for multiprocessing work"""
+
+    even_lock = Lock()
+    odd_lock = Lock()
+
+    def __init__(self, process_name):
+        super().__init__()
+
+        self.process_name = process_name
+
+        if self.process_name == 'even':
+            self.nums = [x for x in range(101) if x % 2 == 0]
+            self.odd_lock.acquire()
+        else:
+            self.nums = [x for x in range(101) if x % 2 == 1]
+
+    def run(self):
+        """Implementation of process' activity"""
+
+        for num in self.nums:
+            if self.process_name == 'even':
+                self.even_lock.acquire()
+                print(num)
+                self.odd_lock.release()
+            else:
+                self.odd_lock.acquire()
+                print(num)
+                self.even_lock.release()
+
+
+if __name__ == '__main__':
+    processes = []
+
+    processes.append(SyncedProcess('odd'))
+    processes.append(SyncedProcess('even'))
+
+    for pr in processes:
+        pr.start()
+
+    for pr in processes:
+        pr.join()