diff --git a/challenge/Cargo.lock b/challenge/Cargo.lock
index d485d5c..bf81e2b 100644
--- a/challenge/Cargo.lock
+++ b/challenge/Cargo.lock
@@ -49,6 +49,9 @@ name = "challenge"
 version = "0.1.0"
 dependencies = [
  "reqwest",
+ "serde",
+ "serde_json",
+ "serde_yaml",
  "tokio",
 ]
 
@@ -721,6 +724,19 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_yaml"
+version = "0.9.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d232d893b10de3eb7258ff01974d6ee20663d8e833263c99409d4b13a0209da"
+dependencies = [
+ "indexmap",
+ "itoa",
+ "ryu",
+ "serde",
+ "unsafe-libyaml",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.0"
@@ -930,6 +946,12 @@ dependencies = [
  "tinyvec",
 ]
 
+[[package]]
+name = "unsafe-libyaml"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1e5fa573d8ac5f1a856f8d7be41d390ee973daf97c806b2c1a465e4e1406e68"
+
 [[package]]
 name = "url"
 version = "2.3.1"
diff --git a/challenge/Cargo.toml b/challenge/Cargo.toml
index 502b137..827a441 100644
--- a/challenge/Cargo.toml
+++ b/challenge/Cargo.toml
@@ -6,5 +6,8 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-reqwest = { version = "0.11", features = [ "cookies" ] }
-tokio   = { version = "1.22", features = [ "full" ] }
+reqwest     = { version = "0.11", features = [ "cookies", "json" ] }
+tokio       = { version = "1.22", features = [ "full" ] }
+serde       = { version = "1.0" }
+serde_json  = { version = "1.0" }
+serde_yaml  = { version = "0.9" }
diff --git a/challenge/src/main.rs b/challenge/src/main.rs
index 45bec3a..ea79be9 100644
--- a/challenge/src/main.rs
+++ b/challenge/src/main.rs
@@ -1,20 +1,32 @@
 use reqwest;
+use serde::Deserialize;
+use std::collections::HashMap;
 
-#[tokio::main]
-async fn main() {
-    let session_cookie = std::env::vars()
-        .find_map(|(key, value)| {
-            if key == "SESSION_COOKIE" {
-                Some(value)
-            } else {
-                None
-            }
-        })
-        .unwrap();
+const INPUT_DATA: &str = include_str!("../680754.json");
+const TEAMS: &str = include_str!("../teams.yaml");
 
+#[derive(Clone, Debug, Deserialize)]
+struct Board {
+    members: HashMap<String, Member>,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+struct Member {
+    local_score: u32,
+    name: String,
+    stars: u32,
+}
+
+#[derive(Clone, Debug, Deserialize)]
+struct Team {
+    name: String,
+    members: Vec<String>,
+}
+
+async fn request_board(session_token: &str, year: &str, board_id: &str) -> Board {
     let jar = reqwest::cookie::Jar::default();
     let url = "https://adventofcode.com/".parse::<reqwest::Url>().unwrap();
-    jar.add_cookie_str(&format!("session={}", session_cookie), &url);
+    jar.add_cookie_str(&format!("session={}", session_token), &url);
 
     let client = reqwest::ClientBuilder::new()
         .cookie_store(true)
@@ -22,13 +34,37 @@ async fn main() {
         .build()
         .unwrap();
 
-    let board = client
-        .get("https://adventofcode.com/2021/leaderboard/private/view/680754.json")
+    client
+        .get(format!(
+            "https://adventofcode.com/{}/leaderboard/private/view/{}.json",
+            year, board_id
+        ))
         .send()
         .await
         .unwrap()
-        .text()
-        .await;
+        .json()
+        .await
+        .unwrap()
+}
 
+#[tokio::main]
+async fn main() {
+    /*
+    let session_token = std::env::vars()
+        .find_map(|(key, value)| {
+            if key == "AOC_SESSION_TOKEN" {
+                Some(value)
+            } else {
+                None
+            }
+        })
+        .unwrap();
+
+    let board = request_board(&session_token, "2022", "680754");
+    */
+
+    let teams: Vec<Team> = serde_yaml::from_str(TEAMS).unwrap();
+    let board: Board = serde_json::from_str(INPUT_DATA).unwrap();
+    println!("resulting text: {:?}", teams);
     println!("resulting text: {:?}", board);
 }