diff --git a/13/m.py b/13/m.py
new file mode 100644
index 0000000..0218c99
--- /dev/null
+++ b/13/m.py
@@ -0,0 +1,64 @@
+import os
+import ast
+
+input = open(os.path.dirname(__file__) +
+             "/input.txt", "r").read().split('\n\n')
+
+correct = []
+
+
+def compare(a, b):
+    compa = a
+    compb = b
+    typea = type(a)
+    typeb = type(b)
+    print(">> compare", a, b)
+
+    res = 0
+
+    if typea == int and typeb == int:
+        print("int  comparison", a, b)
+        if a < b:
+            res = 1
+        elif a == b:
+            res = 0
+        else:
+            res = -1
+
+    if typea == list and typeb == list:
+        while res == 0:
+            if len(a) == 0 and len(b) == 0:
+                print("both lists are empty, continue")
+                res = 0
+                break
+            elif len(a) == 0:
+                print("left out, TRUE")
+                res = 1
+                break
+            elif len(b) == 0:
+                print("right out, FALSE")
+                res = -1
+                break
+            print("res", res, "len a", len(a), "len b", len(b))
+            res = compare(a.pop(0), b.pop(0))
+
+    if (typea == int and typeb == list):
+        res = compare([a], b)
+    if (typeb == int and typea == list):
+        res = compare(a, [b])
+
+    return res
+
+
+for idx, i in enumerate(input):
+    print(">>> IDX:", idx+1)
+    a, b = i.split('\n')
+    a = ast.literal_eval(a)
+    b = ast.literal_eval(b)
+    print("a:", a, "b:", b)
+
+    if compare(a, b) == 1:
+        correct.append(idx+1)
+
+print(correct)
+print(sum(correct))