diff --git a/2015/1/README.md b/2015/01/README.md similarity index 100% rename from 2015/1/README.md rename to 2015/01/README.md diff --git a/2015/1/example.txt b/2015/01/example.txt similarity index 100% rename from 2015/1/example.txt rename to 2015/01/example.txt diff --git a/2015/1/golang/.vscode/settings.json b/2015/01/golang/.vscode/settings.json similarity index 100% rename from 2015/1/golang/.vscode/settings.json rename to 2015/01/golang/.vscode/settings.json diff --git a/2015/1/golang/go.mod b/2015/01/golang/go.mod similarity index 100% rename from 2015/1/golang/go.mod rename to 2015/01/golang/go.mod diff --git a/2015/1/golang/main.go b/2015/01/golang/main.go similarity index 100% rename from 2015/1/golang/main.go rename to 2015/01/golang/main.go diff --git a/2015/1/input.txt b/2015/01/input.txt similarity index 100% rename from 2015/1/input.txt rename to 2015/01/input.txt