diff --git a/.travis.yml b/.travis.yml
old mode 100644
new mode 100755
diff --git a/README.md b/README.md
new file mode 100755
index 0000000..85378d0
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+# kottans_homework
diff --git a/check.sh b/check.sh
old mode 100644
new mode 100755
index 450f6e4..ce6c4ea
--- a/check.sh
+++ b/check.sh
@@ -1 +1 @@
-ruby ./hw1/fibonacci_test.rb
+ruby ./hw1/fibonacci_test.rb && (cd hw2 && bundle install && bundle exec rspec)
diff --git a/hw1/fibonacci.rb b/hw1/fibonacci.rb
old mode 100644
new mode 100755
index e69de29..3f5461a
--- a/hw1/fibonacci.rb
+++ b/hw1/fibonacci.rb
@@ -0,0 +1,60 @@
+
+class Fibonacci
+ include Enumerable
+
+def fibonacci(n)
+    a = 1
+    b = 1
+    n.times do
+	temp = a
+	a = b
+	b = temp + b
+    end
+
+    return a
+end
+
+
+def each(&block)
+    @num.times do |n|
+    block.call(fibonacci(n))
+end
+
+
+  end
+
+def initialize(num)
+@num = num
+
+	end
+end
+
+class Fibonacci
+ include Enumerable
+
+def fibonacci(n)
+    a = 1
+    b = 1
+    n.times do
+        temp = a
+        a = b
+        b = temp + b
+    end
+
+    return a
+end
+
+
+def each(&block)
+    @num.times do |n|
+    block.call(fibonacci(n))
+end
+
+
+  end
+
+def initialize(num)
+@num = num
+
+        end
+end
diff --git a/hw1/fibonacci_test.rb b/hw1/fibonacci_test.rb
old mode 100644
new mode 100755
index 0782e7d..c8941cb
--- a/hw1/fibonacci_test.rb
+++ b/hw1/fibonacci_test.rb
@@ -18,6 +18,9 @@ def assert(expect:, to_equal: true, text:)
 )
 
 sequence = Fibonacci.new(1)
+
+puts sequence.map(&:to_s)
+
 assert(
   expect: sequence.methods.include?(:each),
   text: 'has method each'
diff --git a/hw2/.rspec b/hw2/.rspec
new file mode 100755
index 0000000..83e16f8
--- /dev/null
+++ b/hw2/.rspec
@@ -0,0 +1,2 @@
+--color
+--require spec_helper
diff --git a/hw2/Gemfile b/hw2/Gemfile
new file mode 100755
index 0000000..f8bf844
--- /dev/null
+++ b/hw2/Gemfile
@@ -0,0 +1,5 @@
+# frozen_string_literal: true
+source "https://rubygems.org"
+
+gem "rack"
+gem "rspec"
diff --git a/hw2/Gemfile.lock b/hw2/Gemfile.lock
new file mode 100755
index 0000000..ec73d13
--- /dev/null
+++ b/hw2/Gemfile.lock
@@ -0,0 +1,28 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    diff-lcs (1.2.5)
+    rack (2.0.1)
+    rspec (3.5.0)
+      rspec-core (~> 3.5.0)
+      rspec-expectations (~> 3.5.0)
+      rspec-mocks (~> 3.5.0)
+    rspec-core (3.5.4)
+      rspec-support (~> 3.5.0)
+    rspec-expectations (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-mocks (3.5.0)
+      diff-lcs (>= 1.2.0, < 2.0)
+      rspec-support (~> 3.5.0)
+    rspec-support (3.5.0)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  rack
+  rspec
+
+BUNDLED WITH
+   1.13.5
diff --git a/hw2/app/app.rb b/hw2/app/app.rb
new file mode 100755
index 0000000..6b2d9e0
--- /dev/null
+++ b/hw2/app/app.rb
@@ -0,0 +1,7 @@
+Application = Router.new do
+  get '/test', ->(env) { [200, {}, ['get test']] }
+  post '/test', ->(env) { [200, {}, ['post test']] }
+ get '/post/:id', ->(env) { [200, {}, ['post show page']] }
+  get '/post', ->(env) { [200, {}, ['post index page']] }
+  get '/post/:id/any/:id', ->(env) { [200, {}, ['post any index page']] }
+end
diff --git a/hw2/config.ru b/hw2/config.ru
new file mode 100755
index 0000000..c2e95d5
--- /dev/null
+++ b/hw2/config.ru
@@ -0,0 +1,3 @@
+require './main'
+
+run Application
diff --git a/hw2/lib/router.rb b/hw2/lib/router.rb
new file mode 100755
index 0000000..00924ef
--- /dev/null
+++ b/hw2/lib/router.rb
@@ -0,0 +1,51 @@
+class Router
+  def call(env)
+    route_for(env)
+  end
+
+
+  def reg_path(path)
+    Regexp.new("^#{path.gsub(/(:\w+){1,}/, '\w+')}\/?$")
+  end
+  
+
+  def route_for(env)
+    http_method = env['REQUEST_METHOD']
+    url_path = env['REQUEST_PATH']
+    get_routes = @routes[http_method]
+    .map {|key, val| key if reg_path(key)
+    .match(url_path)}
+    .reject {|val| val.nil?}
+      
+      if get_routes.empty?
+      return [404, {}, ['404 error']]
+      else
+      return @routes[http_method][get_routes[0]].call(env)
+      end
+  
+  end
+
+
+private
+
+  def initialize(&block)
+    @routes = {}
+    instance_exec(&block)
+  end
+
+  def get(path, rack_app)
+    match('GET', path, rack_app)
+  end
+
+  def post(path, rack_app)
+    match('POST', path, rack_app)
+  end
+
+  def match(http_method, path, rack_app)
+    @routes[http_method] ||= {}
+    @routes[http_method][path] = rack_app
+  end
+
+
+
+end
diff --git a/hw2/main.rb b/hw2/main.rb
new file mode 100755
index 0000000..acfd4b3
--- /dev/null
+++ b/hw2/main.rb
@@ -0,0 +1,2 @@
+require './lib/router'
+require './app/app'
diff --git a/hw2/spec/lib/router_spec.rb b/hw2/spec/lib/router_spec.rb
new file mode 100755
index 0000000..a0ee879
--- /dev/null
+++ b/hw2/spec/lib/router_spec.rb
@@ -0,0 +1,51 @@
+RSpec.describe Router do
+  subject do
+    Router.new do
+      get '/test', ->(env) { [200, {}, ['get test']] }
+      post '/test', ->(env) { [200, {}, ['post test']] }
+
+      ##
+      # TODO: router should match path by pattern like
+      # Pattern: /posts/:name
+      # Paths:
+      # /post/about_ruby
+      # /post/43
+      # Cover this with tests.
+      #
+      get '/post/:name', ->(env) { [200, {}, ['post show page']] }
+    end
+  end
+
+  context 'when request is GET' do
+    let(:env) { { 'REQUEST_PATH' => '/test', 'REQUEST_METHOD' => 'GET'} }
+
+    it 'matches request' do
+      expect(subject.call(env)).to eq [200, {}, ['get test']]
+    end
+  end
+
+  context 'when request is GET' do
+    let(:env) { { 'REQUEST_PATH' => '/post/1', 'REQUEST_METHOD' => 'GET'} }
+
+    it 'matches request' do
+      expect(subject.call(env)).to eq [200, {}, ['post show page']]
+    end
+  end
+
+
+   context 'when request is GET' do
+    let(:env) { { 'REQUEST_PATH' => '/', 'REQUEST_METHOD' => 'GET'} }
+
+    it 'matches request' do
+      expect(subject.call(env)).to eq [404, {}, ['404 error']]
+    end
+  end
+
+  context 'when request is POST' do
+    let(:env) { { 'REQUEST_PATH' => '/test', 'REQUEST_METHOD' => 'POST'} }
+
+    it 'matches request' do
+      expect(subject.call(env)).to eq [200, {}, ['post test']]
+    end
+  end
+end
diff --git a/hw2/spec/spec_helper.rb b/hw2/spec/spec_helper.rb
new file mode 100755
index 0000000..ef0fca6
--- /dev/null
+++ b/hw2/spec/spec_helper.rb
@@ -0,0 +1,28 @@
+require './lib/router'
+
+RSpec.configure do |config|
+  config.expect_with :rspec do |expectations|
+    expectations.include_chain_clauses_in_custom_matcher_descriptions = true
+  end
+
+  config.mock_with :rspec do |mocks|
+    mocks.verify_partial_doubles = true
+  end
+
+  config.shared_context_metadata_behavior = :apply_to_host_groups
+
+  config.filter_run_when_matching :focus
+
+  config.disable_monkey_patching!
+
+  config.warnings = true
+
+  if config.files_to_run.one?
+    config.default_formatter = 'doc'
+  end
+
+  config.profile_examples = 10
+
+  config.order = :random
+  Kernel.srand config.seed
+end