diff --git a/phone-book.js b/phone-book.js
index 69fb468..be682d2 100644
--- a/phone-book.js
+++ b/phone-book.js
@@ -9,16 +9,55 @@ exports.isStar = true;
 /**
  * Телефонная книга
  */
-var phoneBook;
+var phoneBook = [];
 
 /**
  * Добавление записи в телефонную книгу
  * @param {String} phone
  * @param {String} name
  * @param {String} email
+ * @returns {boolean} 
  */
+exports.addhel = function (phone, name) {
+    if (name === '' || phone.length !== 10) {
+        return true;
+    }
+
+    return false;
+};
+
+exports.addhelpen = function (phone, name, email, i) {
+    if (name === '' || (phoneBook[i].name === name || phoneBook[i].phone === phone ||
+        phoneBook[i].email === email)) {
+        return true;
+    }
+
+    return false;
+};
+
 exports.add = function (phone, name, email) {
+    phone = String(phone);
+    if (exports.addhel(phone, name)) {
+        return false;
+    }
+    if (phone === undefined) {
+        phone = '';
+    }
+    if (email === undefined) {
+        email = '';
+    }
+    for (var i = 0; i < phoneBook.length; i++) {
+        if (exports.addhelpen(phone, name, email, i)) {
+            return false;
+        }
+    }
+    phoneBook.push({
+        name: name,
+        phone: phone,
+        email: email
+    });
 
+    return true;
 };
 
 /**
@@ -26,25 +65,95 @@ exports.add = function (phone, name, email) {
  * @param {String} phone
  * @param {String} name
  * @param {String} email
+ * @returns {boolean}
  */
 exports.update = function (phone, name, email) {
+    phone = String(phone);
+    if (phone.length !== 10 && phone.length !== 0) {
+        return false;
+    }
+    if (name === undefined) {
+        name = '';
+    }
+    if (email === undefined) {
+        email = '';
+    }
+    for (var i = 0; i < phoneBook.length; i++) {
+        if (phoneBook[i].phone === phone) {
+            phoneBook[i].name = name;
+            phoneBook[i].email = email;
+
+            return true;
+        }
+    }
 
+    return false;
 };
 
 /**
  * Удаление записей по запросу из телефонной книги
  * @param {String} query
+ * @returns{number}
  */
 exports.findAndRemove = function (query) {
+    if (query === '') {
+        return undefined;
+    }
+    var schet = 0;
+    for (var i = phoneBook.length - 1; i >= 0; i--) {
+        if (exports.findhelp(phoneBook[i].name.indexOf(query),
+            phoneBook[i].phone.indexOf(query), phoneBook[i].email.indexOf(query))) {
+            phoneBook.splice(i, i + 1);
+            schet += 1;
+        }
+    }
 
+    return schet;
+};
+
+exports.findhelp = function (one, two, free) {
+    if (one !== -1 || two !== -1 || free !== -1) {
+        return true;
+    }
+
+    return false;
 };
 
 /**
  * Поиск записей по запросу в телефонной книге
  * @param {String} query
+ * @returns {array}
  */
 exports.find = function (query) {
+    if (query === '') {
+        return undefined;
+    }
+    var exit = [];
+    for (var i = 0; i < phoneBook.length; i++) {
+        if (exports.findhelp(phoneBook[i].name.indexOf(query),
+            phoneBook[i].phone.indexOf(query), phoneBook[i].email.indexOf(query)) ||
+            query === '*') {
+            exit.push(exports.finder(i));
+        }
+    }
+    exit.sort();
+
+    return exit;
+};
+
+exports.finder = function (i) {
+    var tert;
+    if (phoneBook[i].email === '') {
+        tert = phoneBook[i].name + ', +7 (' + phoneBook[i].phone.slice(0, 3) + ') ' +
+phoneBook[i].phone.slice(3, 6) + '-' + phoneBook[i].phone.slice(6, 8) + '-' +
+phoneBook[i].phone.slice(8, 10);
+    } else {
+        tert = phoneBook[i].name + ', +7 (' + phoneBook[i].phone.slice(0, 3) + ') ' +
+phoneBook[i].phone.slice(3, 6) + '-' + phoneBook[i].phone.slice(6, 8) + '-' +
+phoneBook[i].phone.slice(8, 10) + ', ' + phoneBook[i].email;
+    }
 
+    return tert;
 };
 
 /**
@@ -54,9 +163,25 @@ exports.find = function (query) {
  * @returns {Number} – количество добавленных и обновленных записей
  */
 exports.importFromCsv = function (csv) {
-    // Парсим csv
-    // Добавляем в телефонную книгу
-    // Либо обновляем, если запись с таким телефоном уже существует
+    var schet = 0;
+    var name1;
+    var phone1;
+    var email1;
+    csv = csv.split('\n');
+    for (var i = 0; i < csv.length; i++) {
+        name1 = csv[i].slice(0, csv[i].indexOf(';'));
+        phone1 = csv[i].slice(csv[i].indexOf(';') + 1, csv[i].lastIndexOf(';'));
+        email1 = csv[i].slice(csv[i].lastIndexOf(';') + 1, csv[i].length);
+        if (exports.update(phone1, name1, email1)) {
+            schet += 1;
+        }
+        if (exports.add(phone1, name1, email1)) {
+            schet += 1;
+        }
+    }
 
-    return csv.split('\n').length;
+    return schet;
 };
+// Парсим csv
+// Добавляем в телефонную книгу
+// Либо обновляем, если запись с таким телефоном уже существует