diff --git a/rpgsaga/saga/README.md b/rpgsaga/saga/README.md
index 3e605f6..35d5170 100644
--- a/rpgsaga/saga/README.md
+++ b/rpgsaga/saga/README.md
@@ -8,6 +8,26 @@ Diagonal
 DeclineCall()
 sendText()
 readText()                                  
+
+    drive
+cdDrive dwdDrive
+(write)  (write)
+    combo()
+    write()???
+
+class Combo(cdDrive, dvdDrive)
+
+      Animal
+      Mamal
+  canine feline
+dog wolf  cat, tiger
+voice()
+display()
+
+
+
+
+
 BabushkaPhone    SmartPhone                         LandLinePhone
 
 AndroidPhone   IOSPhone     Symbian     
diff --git a/rpgsaga/saga/src/EShop.ts b/rpgsaga/saga/src/EShop.ts
new file mode 100644
index 0000000..c870a62
--- /dev/null
+++ b/rpgsaga/saga/src/EShop.ts
@@ -0,0 +1,19 @@
+import { IDisplayable } from './IDisplayable';
+import { Phone } from './phone';
+
+export class Eshop {
+  private stuff: IDisplayable[];
+  constructor() {
+    this.stuff = [];
+  }
+
+  addStuff(item: IDisplayable) {
+    this.stuff.push(item);
+  }
+
+  showStuff() {
+    for (const itm of this.stuff) {
+      console.log(itm.display());
+    }
+  }
+}
diff --git a/rpgsaga/saga/src/IAndroidApp.ts b/rpgsaga/saga/src/IAndroidApp.ts
new file mode 100644
index 0000000..b3af0c1
--- /dev/null
+++ b/rpgsaga/saga/src/IAndroidApp.ts
@@ -0,0 +1,5 @@
+import { IApplication } from './IApplication';
+
+export interface IAndroidApp extends IApplication {
+  checkSecurity(): void;
+}
diff --git a/rpgsaga/saga/src/IApplication.ts b/rpgsaga/saga/src/IApplication.ts
new file mode 100644
index 0000000..9c6c082
--- /dev/null
+++ b/rpgsaga/saga/src/IApplication.ts
@@ -0,0 +1,6 @@
+export interface IApplication {
+  readonly name: string;
+  install(): void;
+  run(): void;
+  uninstall(): void;
+}
\ No newline at end of file
diff --git a/rpgsaga/saga/src/IDisplayable.ts b/rpgsaga/saga/src/IDisplayable.ts
new file mode 100644
index 0000000..76a21ba
--- /dev/null
+++ b/rpgsaga/saga/src/IDisplayable.ts
@@ -0,0 +1,3 @@
+export interface IDisplayable {
+  display(): string;
+}
diff --git a/rpgsaga/saga/src/IIOsApp.ts b/rpgsaga/saga/src/IIOsApp.ts
new file mode 100644
index 0000000..a2e42ca
--- /dev/null
+++ b/rpgsaga/saga/src/IIOsApp.ts
@@ -0,0 +1,5 @@
+import { IApplication } from './IApplication';
+
+export interface IIosApp extends IApplication {
+  checkSignature(): void;
+}
diff --git a/rpgsaga/saga/src/babushkaphone.ts b/rpgsaga/saga/src/babushkaphone.ts
new file mode 100644
index 0000000..b03be69
--- /dev/null
+++ b/rpgsaga/saga/src/babushkaphone.ts
@@ -0,0 +1,3 @@
+import { CellPhone } from './cellphone';
+
+export class Babushkaphone extends CellPhone {}
diff --git a/rpgsaga/saga/src/cellphone.ts b/rpgsaga/saga/src/cellphone.ts
new file mode 100644
index 0000000..24388e3
--- /dev/null
+++ b/rpgsaga/saga/src/cellphone.ts
@@ -0,0 +1,30 @@
+import { Phone } from './phone';
+
+export abstract class CellPhone extends Phone {
+  diagonal: number;
+
+  display(): string {
+    return `i'm cellphone ${this.name}`;
+  }
+
+  constructor(number: string, year: number, diagonal: number, public name?: string) {
+    console.log('Creating cellphone');
+    super(number, year, name);
+    this.diagonal = diagonal;
+  }
+
+  call(number: string): void {
+    console.log(`making call by cellphone ${number}`);
+  }
+
+  declaineCall() {
+    console.log('declaing call');
+  }
+  sendMessage(text: string, num: number) {
+    console.log(`sending ${text} to ${num}`);
+  }
+
+  readMessage() {
+    console.log('reading incoming messages');
+  }
+}
diff --git a/rpgsaga/saga/src/index.ts b/rpgsaga/saga/src/index.ts
index 7805559..2108b75 100644
--- a/rpgsaga/saga/src/index.ts
+++ b/rpgsaga/saga/src/index.ts
@@ -1,16 +1,72 @@
 import { Phone } from './phone';
+import { CellPhone } from './cellphone';
+import { LandlinePhone } from './landlinephone';
+import { Babushkaphone } from './babushkaphone';
+import { Eshop } from './EShop';
 
-const first = new Phone('+7900-000 000 (123)', 1990, 'Телефон 1');
+const first = new LandlinePhone('+7900-000 000 (123)', 1990, 'Телефон 1');
 first.year = 1998;
 
-first.year = -1998;
+try {
+  first.year = -1998;
+} catch (e) {
+  console.log(e);
+}
 first.call('12345');
 first.endCall();
 
-const second = new Phone('+799900000', -5);
-// second.name = 'Телефон 2';
-console.log(second.year);
-second.call('12345');
-second.endCall();
+try {
+  const second = new LandlinePhone('+799900000', -5);
+  // second.name = 'Телефон 2';
+  console.log(second.year);
+  second.call('12345');
+  second.endCall();
+} catch (e) {
+  console.log(e);
+}
+const cp1: CellPhone = new Babushkaphone('+79000000000', 2010, 5, 'samsung');
+cp1.call('12345');
+cp1.endCall();
+cp1.sendMessage('some message', 1234);
 
-console.log(first, second, Phone.phoneCount);
+const cp2 = new Babushkaphone('+79000000000', 2010, 5, 'samsung');
+cp2.call('1234111111');
+cp2.endCall();
+console.log(`${cp2}`);
+
+const tmp = `
+   /\\   /\\   Todd Vargo
+  //\\\\_//\\\\     ____
+  \\_     _/    /   /
+   / * * \\    /^^^]
+   \\_\\O/_/    [   ]
+    /   \\_    [   /
+    \\     \\_  /  /
+     [ [ /  \\/ _/
+    _[ [ \\  /_/
+`;
+console.log(tmp);
+
+const phones: Array<Phone> = [cp2, cp1, first];
+for (const phone of phones) {
+  console.log(phone.display());
+}
+
+const someReq = () => {
+  throw new Error('Something bad happend');
+};
+
+try {
+  someReq();
+  console.log('success');
+} catch (e) {
+  console.log(`failed ${e}`);
+}
+console.log('after finally');
+
+const shop = new Eshop();
+
+shop.addStuff(cp1);
+shop.addStuff(cp2);
+shop.addStuff(first);
+shop.showStuff();
diff --git a/rpgsaga/saga/src/landlinephone.ts b/rpgsaga/saga/src/landlinephone.ts
new file mode 100644
index 0000000..82fc26a
--- /dev/null
+++ b/rpgsaga/saga/src/landlinephone.ts
@@ -0,0 +1,7 @@
+import { Phone } from './phone';
+
+export class LandlinePhone extends Phone {
+  display(): string {
+    return `i'm landline phone`;
+  }
+}
diff --git a/rpgsaga/saga/src/pen.ts b/rpgsaga/saga/src/pen.ts
new file mode 100644
index 0000000..95e12c1
--- /dev/null
+++ b/rpgsaga/saga/src/pen.ts
@@ -0,0 +1,11 @@
+import { IDisplayable } from './IDisplayable';
+
+export class Pen implements IDisplayable {
+  name: string;
+  constructor(name: string) {
+    this.name = name;
+  }
+  display(): string {
+    return `stylus ${this.name}`;
+  }
+}
diff --git a/rpgsaga/saga/src/phone.ts b/rpgsaga/saga/src/phone.ts
index d310d29..0222062 100644
--- a/rpgsaga/saga/src/phone.ts
+++ b/rpgsaga/saga/src/phone.ts
@@ -1,10 +1,13 @@
-export class Phone {
+import { IDisplayable } from './IDisplayable';
+
+export abstract class Phone implements IDisplayable {
   private aYear: number;
   phoneNumber: string;
 
   static phoneCount = 0;
 
   constructor(number: string, year: number, public name?: string) {
+    console.log('Creating phone');
     Phone.phoneCount += 1;
     this.phoneNumber = number;
     this.year = year;
@@ -19,10 +22,20 @@ export class Phone {
   }
 
   set year(year: number) {
-    this.aYear = year >= 1900 && year < 2023 ? year : this.aYear ?? 1900;
+    if (year >= 1900 && year < 2023) {
+      this.aYear = year;
+      return;
+    }
+    throw new Error(`incorrect year`);
   }
 
   get year(): number {
     return this.aYear;
   }
-}
\ No newline at end of file
+
+  toString(): string {
+    return `this is phone ${this.name}`;
+  }
+
+  abstract display(): string;
+}
diff --git a/rpgsaga/saga/src/smartphone.ts b/rpgsaga/saga/src/smartphone.ts
new file mode 100644
index 0000000..f09da86
--- /dev/null
+++ b/rpgsaga/saga/src/smartphone.ts
@@ -0,0 +1,11 @@
+import { IApplication } from './IApplication';
+import { CellPhone } from './cellphone';
+
+export abstract class Smartphone extends CellPhone {
+  apps: IApplication[];
+
+  constructor(number: string, year: number, diagonal: number, public name?: string) {
+    super(number, year, diagonal, name);
+    this.apps = [];
+  }
+}