diff --git a/.idea/runConfigurations/2021___Day_01.xml b/.idea/runConfigurations/2021___Day_01.xml
new file mode 100644
index 0000000..8b7f694
--- /dev/null
+++ b/.idea/runConfigurations/2021___Day_01.xml
@@ -0,0 +1,11 @@
+<component name="ProjectRunConfigurationManager">
+  <configuration default="false" name="2021 - Day 01" type="JetRunConfigurationType">
+    <option name="MAIN_CLASS_NAME" value="MainKt" />
+    <module name="Advent_of_Code.2021-01" />
+    <shortenClasspath name="NONE" />
+    <option name="WORKING_DIRECTORY" value="$PROJECT_DIR$/2021/01" />
+    <method v="2">
+      <option name="Make" enabled="true" />
+    </method>
+  </configuration>
+</component>
\ No newline at end of file
diff --git a/2021/01/input/1.txt b/2021/01/input/1.txt
new file mode 100644
index 0000000..924eb2a
--- /dev/null
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diff --git a/2021/01/main.kt b/2021/01/main.kt
new file mode 100644
index 0000000..7a35f79
--- /dev/null
+++ b/2021/01/main.kt
@@ -0,0 +1,7 @@
+import java.io.File
+
+fun main() {
+	val lines = File("input/1.txt").readLines().map(String::toInt)
+	val totalIncreases = lines.windowed(2).count { it[1] > it[0] }
+	println("Total Increases: $totalIncreases")
+}