diff --git a/hard/ugly_numbers/scala/build.sbt b/hard/ugly_numbers/scala/build.sbt
new file mode 100644
index 0000000..e7bb32d
--- /dev/null
+++ b/hard/ugly_numbers/scala/build.sbt
@@ -0,0 +1,3 @@
+scalaVersion := "2.11.5"
+
+libraryDependencies += "org.scalatest" % "scalatest_2.11" % "2.2.1" % "test"
diff --git a/hard/ugly_numbers/scala/input00.txt b/hard/ugly_numbers/scala/input00.txt
new file mode 120000
index 0000000..bf488fb
--- /dev/null
+++ b/hard/ugly_numbers/scala/input00.txt
@@ -0,0 +1 @@
+../input00.txt
\ No newline at end of file
diff --git a/hard/ugly_numbers/scala/src/main/scala/uglynumbers.scala b/hard/ugly_numbers/scala/src/main/scala/uglynumbers.scala
new file mode 100644
index 0000000..f75ae4b
--- /dev/null
+++ b/hard/ugly_numbers/scala/src/main/scala/uglynumbers.scala
@@ -0,0 +1,33 @@
+object Main {
+  def product(string:String, repeat:Int = 1): Traversable[Traversable[Char]] = {
+    if (repeat == 1) string.map(Vector(_))
+    else {
+      product(string, repeat - 1).flatMap(a => string.map(a ++ Vector(_)))
+    }
+  }
+
+  def get_all_substrings(string:String) {
+    // For a string with length 4, ex: '1234', find all possible places
+    // where we can split in 1, 2 or 3 places:
+    // 1 234, 12 34, 123 4
+    // 1 2 34, 12 3 4, 1 23 4
+    // 1 2 3 4
+    println(string)
+    val OPERATORS = "-+"
+    val slices = (1 until string.length).flatMap(
+                  (1 until string.length).combinations(_)).map(
+                    Vector(0) ++ _ ++ Vector(string.length)).map(
+                      _.sliding(2).toVector)
+    for (slice <- slices) {
+      val operations = product(OPERATORS, slice.length - 1).map(Vector('+') ++ _)
+      println(slice, operations)
+    }
+  }
+
+  def main(args: Array[String]) {
+    val inputs = (if (args.length < 1) io.Source.stdin
+                 else io.Source.fromFile(args(0))).getLines().toVector
+
+    inputs.map(get_all_substrings(_))
+  }
+}