diff --git a/aoc2017.iml b/aoc2017.iml
index c90834f..d7aced9 100644
--- a/aoc2017.iml
+++ b/aoc2017.iml
@@ -4,8 +4,46 @@
     <exclude-output />
     <content url="file://$MODULE_DIR$">
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/test" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/test/resources" type="java-resource" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="module-library" exported="">
+      <library>
+        <CLASSES>
+          <root url="jar://$MODULE_DIR$/../tools/out/artifacts/tools_jar/de.domainforge.tools.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library name="JUnit4">
+        <CLASSES>
+          <root url="jar://$MAVEN_REPOSITORY$/junit/junit/4.13.1/junit-4.13.1.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
+    <orderEntry type="module-library">
+      <library name="JUnit5.7.0">
+        <CLASSES>
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter/5.7.0/junit-jupiter-5.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-api/5.7.0/junit-jupiter-api-5.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/apiguardian/apiguardian-api/1.1.0/apiguardian-api-1.1.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/opentest4j/opentest4j/1.2.0/opentest4j-1.2.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-commons/1.7.0/junit-platform-commons-1.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-params/5.7.0/junit-jupiter-params-5.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/jupiter/junit-jupiter-engine/5.7.0/junit-jupiter-engine-5.7.0.jar!/" />
+          <root url="jar://$MAVEN_REPOSITORY$/org/junit/platform/junit-platform-engine/1.7.0/junit-platform-engine-1.7.0.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>
\ No newline at end of file
diff --git a/src/de/domainforge/aoc2017/Day01.java b/src/de/domainforge/aoc2017/Day01.java
new file mode 100644
index 0000000..e51e84b
--- /dev/null
+++ b/src/de/domainforge/aoc2017/Day01.java
@@ -0,0 +1,20 @@
+package de.domainforge.aoc2017;
+
+import de.domainforge.tools.AOCDay;
+
+public class Day01 extends AOCDay {
+    public Day01(String input) {
+        super(input);
+    }
+
+    @Override
+    public String part1() {
+        int[] input = this.getInputIntArray();
+        return String.valueOf(input[0]);
+    }
+
+    @Override
+    public String part2() {
+        return "bar";
+    }
+}
diff --git a/src/resources/input01 b/src/resources/input01
new file mode 100644
index 0000000..3af3b68
--- /dev/null
+++ b/src/resources/input01
@@ -0,0 +1 @@
+516299281491169512719425276194596424291268712697155863651846937925928456958813624428156218468331423858422613471962165756423837756856519754524985759763747559711257977361228357678293572698839754444752898835313399815748562519958329927911861654784216355489319995566297499836295985943899373615223375271231128914745273184498915241488393761676799914385265459983923743146555465177886491979962465918888396664233693243983969412682561799628789569294374554575677368219724142536789649121758582991345537639888858113763738518511184439854223386868764189133964543721941169786274781775658991329331759679943342217578532643519615296424396487669451453728113114748217177826874953466435436129165295379157226345786756899935747336785161745487933721527239394118721517195849186676814232887413175587327214144876898248571248517121796766248817366614333915154796983612174281237846165129114988453188844745119798643314857871527757831265298846833327863781341559381238458322786192379487455671563757123534253463563421716138641611915686247343417126655317378639314168461345613427262786624689498485599942336813995725145169355942616672812792174556866436158375938988738721253664772584577384558696477546232189312287262439452141564522329987139692281984783513691857538335537553448919819545332125483128878925492334361562192621672993868479566688564752226111784486619789588318171745995253645886833872665447241245329935643883892447524286642296955354249478815116517315832179925494818748478164317669471654464867111924676961162162841232473474394739793968624974397916495667233337397241933765513777241916359166994384923869741468174653353541147616645393917694581811193977311981752554551499629219873391493426883886536219455848354426461562995284162323961773644581815633779762634745339565196798724847722781666948626231631632144371873154872575615636322965353254642186897127423352618879431499138418872356116624818733232445649188793318829748789349813295218673497291134164395739665667255443366383299669973689528188264386373591424149784473698487315316676637165317972648916116755224598519934598889627918883283534261513179931798591959489372165295
\ No newline at end of file
diff --git a/test/de/domainforge/aoc2017/Day01Test.java b/test/de/domainforge/aoc2017/Day01Test.java
new file mode 100644
index 0000000..0fc47f9
--- /dev/null
+++ b/test/de/domainforge/aoc2017/Day01Test.java
@@ -0,0 +1,16 @@
+package de.domainforge.aoc2017;
+
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class Day01Test {
+
+    @Test
+    void part1() {
+    }
+
+    @Test
+    void part2() {
+    }
+}
\ No newline at end of file
diff --git a/test/resources/input01_1_1 b/test/resources/input01_1_1
new file mode 100644
index 0000000..7fdc975
--- /dev/null
+++ b/test/resources/input01_1_1
@@ -0,0 +1,2 @@
+3
+1122
\ No newline at end of file
diff --git a/test/resources/input01_1_2 b/test/resources/input01_1_2
new file mode 100644
index 0000000..3108d11
--- /dev/null
+++ b/test/resources/input01_1_2
@@ -0,0 +1,2 @@
+4
+1111
\ No newline at end of file
diff --git a/test/resources/input01_1_3 b/test/resources/input01_1_3
new file mode 100644
index 0000000..6d0f86b
--- /dev/null
+++ b/test/resources/input01_1_3
@@ -0,0 +1,2 @@
+0
+1234
\ No newline at end of file
diff --git a/test/resources/input01_1_4 b/test/resources/input01_1_4
new file mode 100644
index 0000000..64f0b35
--- /dev/null
+++ b/test/resources/input01_1_4
@@ -0,0 +1,2 @@
+9
+91212129
\ No newline at end of file