diff --git a/4/advent_1.py b/4/advent_1.py
new file mode 100755
index 0000000..ad54bfd
--- /dev/null
+++ b/4/advent_1.py
@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+
+with open("data.txt") as file:
+    lines = [line.rstrip() for line in file]
+
+summa = 0
+for line in lines:
+    splitted = line.split(":")
+    splitted = splitted[1].split('|')
+    wins = splitted[0].split(" ")
+    numbers = splitted[1].split(" ")
+    reasumma = 0
+
+    print(wins)
+    print(numbers)
+    for i in numbers:
+        if i == '':
+            continue
+        if i in wins:
+            if reasumma == 0:
+                reasumma = 1
+            else:
+                reasumma *= 2
+    summa += reasumma
+print(summa)