diff --git a/.idea/compiler.xml b/.idea/compiler.xml
new file mode 100644
index 0000000..056b0b3
--- /dev/null
+++ b/.idea/compiler.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="ЫУ" />
+      </profile>
+    </annotationProcessing>
+    <bytecodeTargetLevel>
+      <module name="ЫУ" target="1.8" />
+    </bytecodeTargetLevel>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/encodings.xml b/.idea/encodings.xml
new file mode 100644
index 0000000..b26911b
--- /dev/null
+++ b/.idea/encodings.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__com_google_code_gson_gson_2_8_5.xml b/.idea/libraries/Maven__com_google_code_gson_gson_2_8_5.xml
new file mode 100644
index 0000000..2888f96
--- /dev/null
+++ b/.idea/libraries/Maven__com_google_code_gson_gson_2_8_5.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: com.google.code.gson:gson:2.8.5">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/google/code/gson/gson/2.8.5/gson-2.8.5.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/com/google/code/gson/gson/2.8.5/gson-2.8.5-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/com/google/code/gson/gson/2.8.5/gson-2.8.5-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__junit_junit_4_12.xml b/.idea/libraries/Maven__junit_junit_4_12.xml
new file mode 100644
index 0000000..d411041
--- /dev/null
+++ b/.idea/libraries/Maven__junit_junit_4_12.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: junit:junit:4.12">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.12/junit-4.12-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml
new file mode 100644
index 0000000..f58bbc1
--- /dev/null
+++ b/.idea/libraries/Maven__org_hamcrest_hamcrest_core_1_3.xml
@@ -0,0 +1,13 @@
+<component name="libraryTable">
+  <library name="Maven: org.hamcrest:hamcrest-core:1.3">
+    <CLASSES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar!/" />
+    </CLASSES>
+    <JAVADOC>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-javadoc.jar!/" />
+    </JAVADOC>
+    <SOURCES>
+      <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-sources.jar!/" />
+    </SOURCES>
+  </library>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..7134516
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_3" default="false" project-jdk-name="1.8" project-jdk-type="JavaSDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index a2f01ef..3b0e4cd 100644
--- a/pom.xml
+++ b/pom.xml
@@ -16,6 +16,11 @@
   </properties>
 
   <dependencies>
+      <dependency>
+          <groupId>com.google.code.gson</groupId>
+          <artifactId>gson</artifactId>
+          <version>2.8.5</version>
+      </dependency>
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
diff --git a/src/main/java/kz/edu/nu/cs/exercise/ContactList.java b/src/main/java/kz/edu/nu/cs/exercise/ContactList.java
index d69025c..c6652dd 100644
--- a/src/main/java/kz/edu/nu/cs/exercise/ContactList.java
+++ b/src/main/java/kz/edu/nu/cs/exercise/ContactList.java
@@ -1,5 +1,7 @@
 package kz.edu.nu.cs.exercise;
 
+import com.google.gson.Gson;
+
 import java.util.ArrayList;
 import java.util.List;
 
@@ -11,8 +13,8 @@ public ContactList() {
     }
     
     public static ContactList MakeContactList(String s) {
-        // Complete this method, use Gson
-        return null;
+        Gson gson = new Gson();
+        return gson.fromJson(s, ContactList.class);
     }
     
     public void addContact(MyContact c) {
@@ -24,14 +26,10 @@ public void removeFirstContact() {
     }
     
     public MyContact getFirstContact() {
-        // complete this method
-        // return correct value
-        return null;
+        return list.get(0);
     }
     
     public int getSize() {
-        // complete this method
-        // return correct value
-        return 0;
+        return list.size();
     }
 }
diff --git a/src/main/java/kz/edu/nu/cs/exercise/MyContact.java b/src/main/java/kz/edu/nu/cs/exercise/MyContact.java
index e687de7..91baecc 100644
--- a/src/main/java/kz/edu/nu/cs/exercise/MyContact.java
+++ b/src/main/java/kz/edu/nu/cs/exercise/MyContact.java
@@ -1,5 +1,7 @@
 package kz.edu.nu.cs.exercise;
 
+import com.google.gson.Gson;
+
 public class MyContact {
     private String name;
     private int age;
@@ -12,8 +14,8 @@ public MyContact(String name, int age, String number) {
     }
     
     public static MyContact MakeMyContact(String s) {
-        // complete this method, use Gson
-        return null;
+        Gson gson = new Gson();
+        return gson.fromJson(s, MyContact.class);
     }
 
     public String getName() {