diff --git a/day1/rust/src/main.rs b/day1/rust/src/main.rs
index 6ad257e..f13c7a1 100644
--- a/day1/rust/src/main.rs
+++ b/day1/rust/src/main.rs
@@ -3,18 +3,19 @@ use std::fs;
 fn main() {
     let input = fs::read_to_string("../input.txt").expect("Could not read file");
 
-    let lines: Vec<&str> = input.lines().collect();
+    let lines: Vec<i32> = input.lines().map(|s| s.parse::<i32>().unwrap()).collect();
 
     let mut previous: i32 = 10000;
     let mut increases = 0;
 
-    for line in lines.iter() {
-        let current = line.parse::<i32>().unwrap();
+    for i in 0..lines.len() - 2 {
+        let current = lines[i..i + 3].iter().sum();
 
         if previous < current {
             increases += 1;
         }
         previous = current;
+        // println!("{}", current);
     }
 
     println!("Increases: {}", increases);