1 files changed, 4 insertions, 4 deletions
diff --git a/2018/src/day3.rs b/2018/src/day3.rs
index 15a4dc2..baba8fe 100644
--- a/2018/src/day3.rs
+++ b/2018/src/day3.rs
@@ -49,7 +49,7 @@ impl FromStr for Claim {
     }
 }
 
-pub fn main<T: BufRead>(reader: T) -> io::Result<()> {
+pub fn main<T: BufRead>(reader: T) -> io::Result<(String, String)> {
     let w = 1000;
     let maxnum = 1500;
 
@@ -80,13 +80,13 @@ pub fn main<T: BufRead>(reader: T) -> io::Result<()> {
         }
     }
 
-    println!("{}", double);
+    let part1 = double;
 
     for i in 1 .. maxnum as usize {
         if free[i] {
-            println!("{}", i);
+            return Ok((part1.to_string(), i.to_string()));
         }
     }
 
-    Ok(())
+    Err(io::Error::new(io::ErrorKind::Other, "Invalid input"))
 }