diff --git a/.gitignore b/.gitignore
index 8572b09..dd00645 100644
--- a/.gitignore
+++ b/.gitignore
@@ -159,4 +159,42 @@ cython_debug/
 
 # Others
 .DS_Store
-Thumbs.db
\ No newline at end of file
+Thumbs.db
+
+# Added by cargo
+
+/target
+
+## Rust
+
+# Compiled files
+/target/
+
+# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
+# More information: https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
+Cargo.lock
+
+# These are backup files generated by rustfmt
+**/*.rs.bk
+
+# If you use Visual Studio Code, you might want to include the following:
+.vscode/
+
+# If you're using vim or emacs, you might want to include the following:
+*.swp
+*~
+/project_name
+
+# If you use IntelliJ IDEA-based editors (like CLion), you might want to include:
+.idea/
+*.iml
+
+# The directory `.rustup` and `.cargo` are used to store user-specific Rust versions and cargo metadata
+.rustup/
+.cargo/
+
+# You should also ignore any local configuration files that might contain user-specific or sensitive data
+**/config/local_*
+
+# MacOS-specific
+.DS_Store
\ No newline at end of file
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..0bfce98
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,10 @@
+[package]
+name = "advent-of-code-2023"
+version = "0.1.0"
+edition = "2021"
+
+[[bin]]
+name = "day1"
+path = "src/day1/rust/mod.rs"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/src/day1/rust/mod.rs b/src/day1/rust/mod.rs
new file mode 100644
index 0000000..c114bb7
--- /dev/null
+++ b/src/day1/rust/mod.rs
@@ -0,0 +1,78 @@
+pub fn part_a(input: &str) -> i32 {
+    let mut sum = 0;
+    for line in input.lines() {
+        let mut digits = line.chars().filter(|c| c.is_ascii_digit()).map(|c| c.to_digit(10).unwrap());
+        let first_digit = digits.next().unwrap();
+        let last_digit = digits.last().unwrap_or(first_digit);
+        let combined = first_digit * 10 + last_digit;
+        sum += combined as i32;
+    }
+    sum
+}
+
+pub fn part_b(input: &str) -> i32 {
+    let mut sum = 0;
+    let digit_strings = ["one", "two", "three", "four", "five", "six", "seven", "eight", "nine"];
+    for line in input.lines() {
+        let mut digit_array = Vec::new();
+        for (current_index, c) in line.chars().enumerate() {
+            if c.is_ascii_digit() {
+                digit_array.push(c.to_digit(10).unwrap());
+            } else if "otfsen".contains(c) {
+                let foresight = &line[current_index..];
+                for (index, digit_string) in digit_strings.iter().enumerate() {
+                    if foresight.starts_with(digit_string) {
+                        digit_array.push(index as u32 + 1);
+                        break;
+                    }
+                }
+            }
+        }
+        let first_digit = digit_array[0];
+        let last_digit = *digit_array.last().unwrap_or(&first_digit);
+        let combined = first_digit * 10 + last_digit;
+        sum += combined as i32;
+    }
+    sum
+}
+
+pub fn main() {
+    let input = include_str!("../input.txt");
+    let example_input = include_str!("../input_example.txt");
+    let example_input_b = include_str!("../input_example_b.txt");
+    println!("Day 1 Example Part A: {}", part_a(example_input));
+    println!("Day 1 Part A: {}", part_a(input));
+    println!("Day 1 Example Part B: {}", part_b(example_input_b));
+    println!("Day 1 Part B: {}", part_b(input));
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_part_a_example() {
+        let example_input = include_str!("../input_example.txt");
+        let example_answer_a = 142;
+        assert_eq!(part_a(example_input), example_answer_a);
+    }
+    #[test]
+    fn test_part_a() {
+        let input = include_str!("../input.txt");
+        let answer_a = 55029;
+        assert_eq!(part_a(input), answer_a);
+    }
+    #[test]
+    fn test_part_b_example() {
+        let example_input_b = include_str!("../input_example_b.txt");
+        let example_answer_b = 281;
+        assert_eq!(part_b(example_input_b), example_answer_b);
+    }
+
+    #[test]
+    fn test_part_b() {
+        let input = include_str!("../input.txt");
+        let answer_b = 55686;
+        assert_eq!(part_b(input), answer_b);
+    }
+}