diff --git a/project_enigma/decoding_utils.py b/project_enigma/decoding_utils.py
index 775b218..37e9980 100644
--- a/project_enigma/decoding_utils.py
+++ b/project_enigma/decoding_utils.py
@@ -1,16 +1,59 @@
 def decode_measurements(encoded_string: str) -> list[int]:
-  """This function decodes an encoded string into a list of integers.
-  RULE 1: A generic logic should be implemented without handling edge cases using if statements for specific inputs.
-  RULE 2: The generic logic should handle all inputs and generate the expected outputs.
+    """This function decodes an encoded string into a list of integers.
 
-  Args:
-      encoded_string (str): The encoded string to decode.
+    RULE 1: A generic logic should be implemented without handling edge cases using if statements for specific inputs.
+    RULE 2: The generic logic should handle all inputs and generate the expected outputs.
+    """
 
-  Returns:
-      list[int]: The list of decoded integers.
-  """
-  pass # Remove this pass and place your logic here to decode the string into a list of integers based on the specified encoding rules.
-  return []  # Placeholder return statement; replace with actual decoding logic.
+    def read_number(s: str, i: int) -> tuple[int, int]:
+        # A number is a sequence of 'z' (each = 26) followed by a terminating char
+        total = 0
+
+        # accumulate z's
+        while i < len(s) and s[i] == 'z':
+            total += 26
+            i += 1
+
+        # terminating character
+        if i < len(s):
+            c = s[i]
+            if 'a' <= c <= 'y':
+                total += ord(c) - ord('a') + 1
+            # if '_' or anything else → treated as 0
+            i += 1
+
+        return total, i
+
+    def decode_package(s: str) -> list[int]:
+        values: list[int] = []
+        i = 0
+        n = len(s)
+
+        while i < n:
+            count, i = read_number(s, i)
+
+            if count == 0:
+                values.append(0)
+                break
+
+            total = 0
+            for _ in range(count):
+                if i >= n:
+                    break
+                value, i = read_number(s, i)
+                total += value
+
+            values.append(total)
+
+        return values
+
+    result: list[int] = []
+    for package in encoded_string.split(' '):
+        if package == "":
+            continue
+        result.extend(decode_package(package))
+
+    return result
 
 
 if __name__ == "__main__":
@@ -38,3 +81,6 @@ def decode_measurements(encoded_string: str) -> list[int]:
         result = decode_measurements(encoded)
         status = "PASS" if result == expected else "FAIL"
         print(f"{status}: decode_measurements({encoded!r}) = {result} (expected {expected})")
+
+
+