diff --git a/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Actions.java b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Actions.java
new file mode 100644
index 0000000..1ef3f1d
--- /dev/null
+++ b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Actions.java
@@ -0,0 +1,11 @@
+package ru.gb.Dmitrieva.HomeWorkApp.Lesson_1;
+
+public interface Actions {
+    void run();
+
+    void jump();
+
+    int getRunDistance();
+
+    int getJumpHeight();
+}
diff --git a/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Barrier.java b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Barrier.java
new file mode 100644
index 0000000..ecc685e
--- /dev/null
+++ b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Barrier.java
@@ -0,0 +1,15 @@
+package ru.gb.Dmitrieva.HomeWorkApp.Lesson_1;
+
+public abstract class Barrier {
+    private String name;
+
+    public Barrier(String name) {
+        this.name = name;
+    }
+
+    protected abstract boolean moving(Actions var1);
+
+    public String getName() {
+        return this.name;
+    }
+}
diff --git a/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Cat.java b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Cat.java
new file mode 100644
index 0000000..d85890d
--- /dev/null
+++ b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Cat.java
@@ -0,0 +1,32 @@
+package ru.gb.Dmitrieva.HomeWorkApp.Lesson_1;
+
+import java.util.Random;
+
+public class Cat implements Actions {
+    private String name;
+    private int runDistance;
+    private int jumpHeight;
+
+    public Cat(String name) {
+        this.name = name;
+        Random rand = new Random();
+        this.runDistance = rand.nextInt(10);
+        this.jumpHeight = rand.nextInt(10);
+    }
+
+    public void run() {
+        System.out.printf("Cat %s is running %d m\n", this.name, this.getRunDistance());
+    }
+
+    public void jump() {
+        System.out.printf("Cat %s is jumping %d m\n", this.name, this.getJumpHeight());
+    }
+
+    public int getRunDistance() {
+        return this.runDistance;
+    }
+
+    public int getJumpHeight() {
+        return this.jumpHeight;
+    }
+}
diff --git a/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Human.java b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Human.java
new file mode 100644
index 0000000..b6ad224
--- /dev/null
+++ b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Human.java
@@ -0,0 +1,32 @@
+package ru.gb.Dmitrieva.HomeWorkApp.Lesson_1;
+
+import java.util.Random;
+
+public class Human implements Actions {
+    private String name;
+    private int runDistance;
+    private int jumpHeight;
+
+    public Human(String name) {
+        this.name = name;
+        Random rand = new Random();
+        this.runDistance = rand.nextInt(10);
+        this.jumpHeight = rand.nextInt(10);
+    }
+
+    public void run() {
+        System.out.printf("Human %s is running %d m\n", this.name, this.getRunDistance());
+    }
+
+    public void jump() {
+        System.out.printf("Human %s is jumping %d m\n", this.name, this.getJumpHeight());
+    }
+
+    public int getRunDistance() {
+        return this.runDistance;
+    }
+
+    public int getJumpHeight() {
+        return this.jumpHeight;
+    }
+}
diff --git a/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/JustDoIt.java b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/JustDoIt.java
new file mode 100644
index 0000000..4244b7f
--- /dev/null
+++ b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/JustDoIt.java
@@ -0,0 +1,47 @@
+package ru.gb.Dmitrieva.HomeWorkApp.Lesson_1;
+
+import java.util.Random;
+
+public class JustDoIt {
+    public static void main(String[] args) {
+
+        Barrier[] barriers = new Barrier[6];
+        int i;
+        for(i = 0; i < barriers.length; ++i) {
+            Random rand = new Random();
+            boolean isRoad = rand.nextBoolean();
+            if (isRoad) {
+                barriers[i] = new Road(i + 1 + " is Road");
+            } else {
+                barriers[i] = new Wall(i + 1 + " is Wall");
+            }
+        }
+
+        for(i = 0; i < generateParticipants().length; ++i) {
+            boolean result = true;
+
+            for(int j = 0; j < barriers.length; ++j) {
+                result = barriers[j].moving(generateParticipants()[i]);
+                if (!result) {
+                    break;
+                }
+            }
+
+            if (result) {
+                System.out.println("Success!!");
+            } else {
+                System.out.println("Fail and retires from the race!!");
+            }
+        }
+
+    }
+
+    private static Actions[] generateParticipants() {
+        Actions [] actions = new Actions []{
+                new Human("Peter"),
+                new Robot("00XX001Z111"),
+                new Cat("Luna")
+                };
+        return actions;
+    }
+}
diff --git a/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Road.java b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Road.java
new file mode 100644
index 0000000..5473eb0
--- /dev/null
+++ b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Road.java
@@ -0,0 +1,23 @@
+package ru.gb.Dmitrieva.HomeWorkApp.Lesson_1;
+
+import java.util.Random;
+
+public class Road extends Barrier {
+    private int length;
+
+    public Road(String name) {
+        super(name);
+        Random rand = new Random();
+        this.length = rand.nextInt(10);
+    }
+
+    public int getLength() {
+        return this.length;
+    }
+
+    protected boolean moving(Actions actions) {
+        System.out.printf("The barrier number %s and it's length: %d m\n", super.getName(), this.length);
+        actions.run();
+        return this.getLength() <= actions.getRunDistance();
+    }
+}
diff --git a/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Robot.java b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Robot.java
new file mode 100644
index 0000000..7a986ff
--- /dev/null
+++ b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Robot.java
@@ -0,0 +1,32 @@
+package ru.gb.Dmitrieva.HomeWorkApp.Lesson_1;
+
+import java.util.Random;
+
+public class Robot implements Actions {
+    private String name;
+    private int runDistance;
+    private int jumpHeight;
+
+    public Robot(String name) {
+        this.name = name;
+        Random rand = new Random();
+        this.runDistance = rand.nextInt(10);
+        this.jumpHeight = rand.nextInt(10);
+    }
+
+    public void run() {
+        System.out.printf("Robot %s is running %d m\n", this.name, this.getRunDistance());
+    }
+
+    public void jump() {
+        System.out.printf("Robot %s is jumping %d m\n", this.name, this.getJumpHeight());
+    }
+
+    public int getRunDistance() {
+        return this.runDistance;
+    }
+
+    public int getJumpHeight() {
+        return this.jumpHeight;
+    }
+}
\ No newline at end of file
diff --git a/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Wall.java b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Wall.java
new file mode 100644
index 0000000..aaa1af9
--- /dev/null
+++ b/src/ru/gb/Dmitrieva/HomeWorkApp/Lesson_1/Wall.java
@@ -0,0 +1,23 @@
+package ru.gb.Dmitrieva.HomeWorkApp.Lesson_1;
+
+import java.util.Random;
+
+public class Wall extends Barrier {
+    private int heigth;
+
+    public Wall(String name) {
+        super(name);
+        Random rand = new Random();
+        this.heigth = rand.nextInt(10);
+    }
+
+    public int getHeigth() {
+        return this.heigth;
+    }
+
+    protected boolean moving(Actions actions) {
+        System.out.printf("The barrier number %s and it's height: %d m\n", super.getName(), this.heigth);
+        actions.jump();
+        return this.getHeigth() <= actions.getJumpHeight();
+    }
+}
\ No newline at end of file