diff --git a/2019/Cargo.lock b/2019/Cargo.lock
new file mode 100644
index 0000000..4389501
--- /dev/null
+++ b/2019/Cargo.lock
@@ -0,0 +1,6 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "advent-of-code"
+version = "0.1.0"
+
diff --git a/2019/Cargo.toml b/2019/Cargo.toml
new file mode 100644
index 0000000..847bb75
--- /dev/null
+++ b/2019/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "advent-of-code"
+version = "0.1.0"
+authors = ["Wesley Moore <wes@wezm.net>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
diff --git a/2019/input/day1.txt b/2019/input/day1.txt
new file mode 100644
index 0000000..e5a5062
--- /dev/null
+++ b/2019/input/day1.txt
@@ -0,0 +1,100 @@
+90903
+135889
+120859
+137397
+56532
+92489
+87979
+149620
+137436
+62999
+71672
+61022
+139765
+69690
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diff --git a/2019/src/bin/day1.rs b/2019/src/bin/day1.rs
new file mode 100644
index 0000000..a4ec704
--- /dev/null
+++ b/2019/src/bin/day1.rs
@@ -0,0 +1,15 @@
+use std::io;
+
+use advent_of_code::input;
+
+fn main() -> io::Result<()> {
+    // Specifically, to find the fuel required for a module, take its mass, divide by three, round down, and subtract 2.
+    let result: i32 = input::read_number_list("input/day1.txt")?
+        .into_iter()
+        .map(|module_mass| (module_mass as f64 / 3.).floor() as i32 - 2)
+        .sum();
+
+    println!("Result: {}", result);
+
+    Ok(())
+}
diff --git a/2019/src/input.rs b/2019/src/input.rs
new file mode 100644
index 0000000..31a06e6
--- /dev/null
+++ b/2019/src/input.rs
@@ -0,0 +1,19 @@
+use std::fs::File;
+use std::io;
+use std::io::{BufRead, BufReader};
+use std::path::Path;
+
+pub fn read_number_list<P: AsRef<Path>>(path: P) -> io::Result<Vec<i32>> {
+    let input = BufReader::new(File::open(path)?);
+    let mut output = Vec::new();
+
+    for line in input.lines() {
+        let line = line?;
+        output.push(
+            line.parse()
+                .map_err(|err| io::Error::new(io::ErrorKind::InvalidInput, err))?,
+        )
+    }
+
+    Ok(output)
+}
diff --git a/2019/src/lib.rs b/2019/src/lib.rs
new file mode 100644
index 0000000..7839bc5
--- /dev/null
+++ b/2019/src/lib.rs
@@ -0,0 +1 @@
+pub mod input;