diff --git a/.gitignore b/.gitignore
index 9c07d4a..349cac9 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,18 @@
 *.class
 *.log
+
+# sbt specific
+.cache/
+.history/
+.lib/
+dist/*
+target/
+lib_managed/
+src_managed/
+project/boot/
+project/plugins/project/
+
+# Scala-IDE specific
+.scala_dependencies
+.worksheet
+.idea
\ No newline at end of file
diff --git a/build.sbt b/build.sbt
new file mode 100644
index 0000000..d36719d
--- /dev/null
+++ b/build.sbt
@@ -0,0 +1,15 @@
+name := "ScalaLabs"
+
+version := "1.0"
+
+scalaVersion := "2.12.8"
+
+libraryDependencies += "org.typelevel" %% "cats-effect" % "1.3.0" withSources() withJavadoc()
+
+scalacOptions ++= Seq(
+  "-feature",
+  "-deprecation",
+  "-unchecked",
+  "-language:postfixOps",
+  "-language:higherKinds",
+  "-Ypartial-unification")
\ No newline at end of file
diff --git a/project/build.properties b/project/build.properties
new file mode 100644
index 0000000..f37b0aa
--- /dev/null
+++ b/project/build.properties
@@ -0,0 +1 @@
+sbt.version = 1.3.10
\ No newline at end of file
diff --git a/src/main/scala/CatsEffect.scala b/src/main/scala/CatsEffect.scala
new file mode 100644
index 0000000..468e1a4
--- /dev/null
+++ b/src/main/scala/CatsEffect.scala
@@ -0,0 +1,39 @@
+import cats.CommutativeApply.ops.toAllCommutativeApplyOps
+import cats.syntax.all._
+import cats.instances.list._
+import cats.effect._
+import cats.effect.concurrent.{MVar, Ref, Semaphore}
+import scala.concurrent.duration._
+import scala.concurrent.ExecutionContext
+
+
+object CatsEffect extends IOApp {
+
+  def runPrinter(mVar: MVar[IO, String]): Resource[IO, Unit] = {
+    def rec: IO[Unit] = for {
+      value <- mVar.take
+      _ <- IO(println(value))
+      _ <- rec
+    } yield ()
+
+    Resource.make(rec.start)(_.cancel.flatMap(_ => IO(println("Printer closed")))).void
+  }
+
+  def runCounter(mVar: MVar[IO, String]): Resource[IO, Unit] = {
+    def rec(counter: Int): IO[Unit] = for {
+      _ <- mVar.put((counter).toString)
+      _ <- IO.sleep(1.seconds)
+      _ <- rec(counter + 1)
+    } yield ()
+
+    Resource.make(rec(0).start)(_.cancel.flatMap(_ => IO(println("Counter closed")))).void
+  }
+
+  val runProgram: Resource[IO, Unit] = for {
+    mVar <- Resource.make(MVar.empty[IO, String])(_ => IO(print("")))
+    _ <- runPrinter(mVar)
+    _ <- runCounter(mVar)
+  } yield()
+
+  override def run(args: List[String]): IO[ExitCode] = runProgram.use(_ => IO.never)
+}