diff --git a/src/main/java/kz/edu/nu/cs/exercise/State1.java b/src/main/java/kz/edu/nu/cs/exercise/State1.java
new file mode 100644
index 0000000..4181972
--- /dev/null
+++ b/src/main/java/kz/edu/nu/cs/exercise/State1.java
@@ -0,0 +1,23 @@
+package kz.edu.nu.cs.exercise;
+
+public class State1 extends State {
+    protected StateContext sc;
+    protected boolean accept = false;
+
+    //constructor
+    public State1(StateContext sc) {
+      this.sc = sc;
+    }
+
+    public void actionA() {
+      this.sc.setCurrentState(this.sc.getState2());
+    }
+
+    public void actionB() {
+      this.sc.setCurrentState(this.sc.getState1());
+    }
+
+    public boolean isAccept() {
+        return this.accept;
+    }
+}
diff --git a/src/main/java/kz/edu/nu/cs/exercise/State2.java b/src/main/java/kz/edu/nu/cs/exercise/State2.java
new file mode 100644
index 0000000..eb4f084
--- /dev/null
+++ b/src/main/java/kz/edu/nu/cs/exercise/State2.java
@@ -0,0 +1,23 @@
+package kz.edu.nu.cs.exercise;
+
+public class State2 extends State {
+    protected StateContext sc;
+    protected boolean accept = false;
+
+    //constructor
+    public State2(StateContext sc) {
+      this.sc = sc;
+    }
+
+    public void actionA() {
+      this.sc.setCurrentState(this.sc.getState3());
+    }
+
+    public void actionB() {
+      this.sc.setCurrentState(this.sc.getState1());
+    }
+
+    public boolean isAccept() {
+        return this.accept;
+    }
+}
diff --git a/src/main/java/kz/edu/nu/cs/exercise/State3.java b/src/main/java/kz/edu/nu/cs/exercise/State3.java
new file mode 100644
index 0000000..2fecb43
--- /dev/null
+++ b/src/main/java/kz/edu/nu/cs/exercise/State3.java
@@ -0,0 +1,22 @@
+package kz.edu.nu.cs.exercise;
+
+public class State3 extends State{
+    protected StateContext sc;
+    protected boolean accept = true;
+    //constructor
+    public State3 (StateContext sc) {
+      this.sc = sc;
+    }
+
+    public void actionA() {
+      this.sc.setCurrentState(this.sc.getState3());
+    }
+
+    public void actionB() {
+      this.sc.setCurrentState(this.sc.getState2());
+    }
+
+    public boolean isAccept() {
+        return this.accept;
+    }
+}
diff --git a/src/main/java/kz/edu/nu/cs/exercise/StateContext.java b/src/main/java/kz/edu/nu/cs/exercise/StateContext.java
index 3b154c4..01309d6 100644
--- a/src/main/java/kz/edu/nu/cs/exercise/StateContext.java
+++ b/src/main/java/kz/edu/nu/cs/exercise/StateContext.java
@@ -12,19 +12,16 @@ public StateContext() {
     }
 
     public void actionA() {
-        // complete this method by
-        // delegation to the current state
+        this.currentState.actionA()
     }
 
     public void actionB() {
-        // complete this method
-        // delegate to the current state
+      this.currentState.actionB()
+
     }
 
     public boolean inAcceptState() {
-        // complete this method and return correct value
-        // delegate to the current state
-        return false;
+        this.currentState.isAccept();
     }
 
     public State getCurrentState() {
@@ -35,4 +32,14 @@ public void setCurrentState(State currentState) {
         this.currentState = currentState;
     }
 
+    public State getState1(){
+      return this.state1;
+    }
+    public State getState2(){
+      return this.state2;
+    }
+    public State getState3(){
+      return this.state3;
+    }
+
 }