diff --git a/december_3_1/.gitignore b/december_3/.gitignore
similarity index 100%
rename from december_3_1/.gitignore
rename to december_3/.gitignore
diff --git a/december_3_1/Cargo.toml b/december_3/Cargo.toml
similarity index 100%
rename from december_3_1/Cargo.toml
rename to december_3/Cargo.toml
diff --git a/december_3_1/input.txt b/december_3/input.txt
similarity index 100%
rename from december_3_1/input.txt
rename to december_3/input.txt
diff --git a/december_3_1/src/main.rs b/december_3/src/main.rs
similarity index 100%
rename from december_3_1/src/main.rs
rename to december_3/src/main.rs