diff --git a/03/c.py b/03/c.py
new file mode 100644
index 0000000..7eb8465
--- /dev/null
+++ b/03/c.py
@@ -0,0 +1,24 @@
+import os
+
+f = open(os.path.dirname(__file__)+"/input.txt", "r")
+
+tot = 0
+tot2 = 0
+
+priorities = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
+
+
+commons = ''
+
+rucksacks = f.read().splitlines()
+
+for data in rucksacks:
+    left = data[:len(data)//2]
+    right = data[len(data)//2:]
+    print(str(left) + " " + str(right))
+
+    common = ''.join(set(left).intersection(right))
+
+    tot = tot + priorities.rfind(common)+1
+
+print(tot)