diff --git a/src/025/025.py b/src/025/p025.py
similarity index 100%
rename from src/025/025.py
rename to src/025/p025.py
diff --git a/src/028/028.py b/src/028/p028.py
similarity index 100%
rename from src/028/028.py
rename to src/028/p028.py
diff --git a/src/036/036.py b/src/036/p036.py
similarity index 100%
rename from src/036/036.py
rename to src/036/p036.py
diff --git a/src/097/097.py b/src/097/p097.py
similarity index 100%
rename from src/097/097.py
rename to src/097/p097.py