diff --git a/index.js b/index.js
index 8635050..ade282c 100644
--- a/index.js
+++ b/index.js
@@ -1,20 +1,40 @@
-const {getAllFilePathsWithExtension, readFile} = require('./fileSystem');
-const {readLine} = require('./console');
-
+const { getAllFilePathsWithExtension, readFile } = require('./fileSystem');
+const { readLine } = require('./console');
+ 
 const files = getFiles();
+const lines = parseLl();
 
+function parseLl() {
+    let parsedFiles = [];
+    let lines = [];
+    for (let i = 0; i < files.length; i++) {
+        parsedFiles.push(files[i].split("\r\n"));
+        lines = lines.concat(parsedFiles[i]);
+    }
+    return lines;
+}
+ 
 console.log('Please, write your command!');
 readLine(processCommand);
-
+ 
 function getFiles() {
     const filePaths = getAllFilePathsWithExtension(process.cwd(), 'js');
     return filePaths.map(path => readFile(path));
 }
-
+ 
 function processCommand(command) {
-    switch (command) {
+    let commands = command.split(" ");
+    switch (commands[0]) {
         case 'exit':
             process.exit(0);
+        case 'show':
+            console.log(showTodo());
+             break;
+        case 'important':
+             console.log(showExclamation());
+             break;
+        case 'user':
+            console.log(showUserNames(commands[1]));
             break;
         default:
             console.log('wrong command');
@@ -22,4 +42,29 @@ function processCommand(command) {
     }
 }
 
+function showExclamation() {
+    let importantLl = [];
+    for (let l of lines)
+        if (l.includes("!") && l.includes("// TODO") && !(l.includes("\"// TODO\"")))
+            importantLl.push(l.slice(l.indexOf("// TODO")));
+    return importantLl;
+}
+
+ 
+function showUserNames(name) {
+    name = name.toLowerCase();
+    let namedLl = [];
+    for (let l of lines)
+        if (l.toLowerCase().includes(name) && l.includes("// TODO") && !(l.includes("\"// TODO\"")))
+            namedLl.push(l.slice(l.indexOf("// TODO")).split(';')[2].replace(' ', ''));
+    return namedLl;
+}
+
+function showTodo() {
+    let todoLl = [];
+        for (let l of lines)
+            if (l.includes("// TODO") && !(l.includes("\"// TODO\"")))
+                todoLl.push(l.slice(l.indexOf("// TODO")));
+    return todoLl;
+}
 // TODO you can do it!