diff --git a/bun.lockb b/bun.lockb
index 867e20c..6ab1a53 100755
Binary files a/bun.lockb and b/bun.lockb differ
diff --git a/copy.ts b/copy.ts
new file mode 100644
index 0000000..ba0c6fd
--- /dev/null
+++ b/copy.ts
@@ -0,0 +1,77 @@
+import { existsSync } from 'node:fs';
+import { copyFile, mkdir, readdir } from 'node:fs/promises';
+import { join } from 'node:path';
+import prompts from 'prompts';
+import { replaceInFile } from 'replace-in-file';
+
+// Select year and date
+const { year, day } = await prompts([
+  {
+    type: 'number',
+    name: 'year',
+    message: 'What year?',
+    initial: new Date().getFullYear(),
+    validate: (val) =>
+      val > 2000 && val < 3000 ? true : 'Year needs to be between 2000-3000',
+    format: String
+  },
+  {
+    type: 'number',
+    name: 'day',
+    message: 'What day?',
+    initial: new Date().getDate(),
+    validate: (val) =>
+      val > 0 && val < 32 ? true : 'Day needs to be between 1-31',
+    format: (val) => String(val).padStart(2, '0')
+  }
+]);
+
+const dir = join(year, day);
+
+if (existsSync(dir)) {
+  console.warn('Directory already exists!');
+  process.exit(1);
+}
+
+// Create new day folder
+await mkdir(dir, { recursive: true });
+
+// Parse template folder for files
+const templateDir = 'template';
+const files = await readdir(templateDir);
+
+const yearRegex = /YYYY/g;
+const dayRegex = /DD/g;
+
+// Copy files from template to day folder, replace placeholders in filename
+await Promise.all(
+  files.map((f) =>
+    copyFile(
+      join(templateDir, f),
+      join(dir, f.replaceAll(yearRegex, year).replaceAll(dayRegex, day))
+    )
+  )
+);
+
+// Replace placeholders in code
+const resultYear = await replaceInFile({
+  files: [join(dir, '*')],
+  from: yearRegex,
+  to: year
+});
+const resultDay = await replaceInFile({
+  files: [join(dir, '*')],
+  from: dayRegex,
+  to: day
+});
+
+const results = [...resultYear, ...resultDay];
+
+if (results.filter((r) => r.hasChanged).length <= 0) {
+  console.error(
+    'Something went wrong while replace placeholders! Did they change?'
+  );
+  process.exit(1);
+}
+
+console.log('Directory created! Have fun!');
diff --git a/package.json b/package.json
index 10cbb7d..d343534 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,11 @@
   },
   "devDependencies": {
     "@types/bun": "latest",
+    "@types/prompts": "^2.4.9",
     "prettier": "^3.4.0",
-    "prettier-plugin-organize-imports": "^4.1.0"
+    "prettier-plugin-organize-imports": "^4.1.0",
+    "prompts": "^2.4.2",
+    "replace-in-file": "^8.2.0"
   },
   "peerDependencies": {
     "typescript": "^5.0.0"
diff --git a/template/20xx-xx.run.xml b/template/YYYY-DD.run.xml
similarity index 55%
rename from template/20xx-xx.run.xml
rename to template/YYYY-DD.run.xml
index ceca224..2a5b708 100644
--- a/template/20xx-xx.run.xml
+++ b/template/YYYY-DD.run.xml
@@ -1,6 +1,6 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="Template" type="BunRunConfiguration">
-    <option name="program" value="template/run.ts" />
+  <configuration default="false" name="YYYY-DD" type="BunRunConfiguration">
+    <option name="program" value="YYYY/DD/run.ts" />
     <option name="workingDirectory" value="$PROJECT_DIR$" />
     <method v="2" />
   </configuration>
diff --git a/template/index.test.ts b/template/index.test.ts
index 0ed9234..6dbd5de 100644
--- a/template/index.test.ts
+++ b/template/index.test.ts
@@ -1,7 +1,7 @@
 import { describe, expect, it } from 'bun:test';
 import { solveFirst, solveSecond } from './index.ts';
 
-describe('20xx-xx', () => {
+describe('YYYY-DD', () => {
   it('first', () => {
     // TODO: add first input
     const testInput = ``;