diff --git a/src/main.rs b/src/main.rs
index 87c15c4..e56b695 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,17 @@
+mod distance;
 mod parse;
 
+use parse::Record;
+
 fn main() {
-    println!("Hello, world!");
+    // Read all data lines in, ignoring errors
+    let _data: Vec<Record> = csv::Reader::from_reader(std::io::stdin())
+        .deserialize()
+        .flatten()
+        .collect();
+
+    println!(
+        "{}",
+        distance::haversine((19.10317, -165.54224), (73.85371, 55.85692))
+    );
 }