diff --git a/.gitignore b/.gitignore
index 4c183a6..8bee51a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,3 @@
 *.log
 node_modules
-*.js
+dist/
\ No newline at end of file
diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..bdf1bb8
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,27 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "node",
+            "sourceMaps": true,
+            "smartStep": true,
+            "request": "launch",
+            "name": "Launch Program",
+            "skipFiles": [
+                "<node_internals>/**",
+                "${workspaceFolder}/node_modules/**"
+            ],
+            "cwd": "${workspaceFolder}",
+            "runtimeExecutable": "yarn",
+            "runtimeArgs": ["run", "test"],
+            "program": "${workspaceFolder}/dist/2020-day-01.js",
+            "outFiles": [
+                "${workspaceFolder}/dist/**/*.js"
+            ],
+            "console": "integratedTerminal"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/input-01.txt b/input/2020-day-01.txt
similarity index 100%
rename from input-01.txt
rename to input/2020-day-01.txt
diff --git a/package.json b/package.json
index 432bf8d..d573976 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
   },
   "type": "module",
   "scripts": {
-    "test": "mocha 2020-*.js",
+    "test": "mocha",
     "pretest": "tsc"
   }
 }
diff --git a/2020-day1.ts b/src/2020-day-01.ts
similarity index 96%
rename from 2020-day1.ts
rename to src/2020-day-01.ts
index 1140ab5..4dd51ef 100644
--- a/2020-day1.ts
+++ b/src/2020-day-01.ts
@@ -3,7 +3,7 @@ import { readFileSync } from 'fs';
 import 'mocha';
 
 
-let input = readFileSync('./input-01.txt', 'utf-8')
+let input = readFileSync('./input/2020-day-01.txt', 'utf-8')
     .split('\n')
     .map(l => parseInt(l.trim(), 10));
 
diff --git a/tsconfig.json b/tsconfig.json
index d112f06..ae10f59 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,10 +12,10 @@
     // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
     // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
     // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
-    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
+    "sourceMap": true,                     /* Generates corresponding '.map' file. */
     // "outFile": "./",                       /* Concatenate and emit output to single file. */
-    // "outDir": "./",                        /* Redirect output structure to the directory. */
-    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
+    "outDir": "./dist",                        /* Redirect output structure to the directory. */
+    "rootDir": "./src",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
     // "composite": true,                     /* Enable project compilation */
     // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
     // "removeComments": true,                /* Do not emit comments to output. */