diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
new file mode 100644
index 0000000..a55e7a1
--- /dev/null
+++ b/.idea/codeStyles/codeStyleConfig.xml
@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
+  </state>
+</component>
\ No newline at end of file
diff --git a/.idea/compiler.xml b/.idea/compiler.xml
index ac216bc..7e7ee62 100644
--- a/.idea/compiler.xml
+++ b/.idea/compiler.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="CompilerConfiguration">
-    <bytecodeTargetLevel target="14" />
+    <bytecodeTargetLevel target="13" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index c608721..8a7bff4 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -4,7 +4,7 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_14" default="true" project-jdk-name="14" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_13" default="true" project-jdk-name="13" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index 95df5f5..e21d30a 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,5 +1,7 @@
 plugins {
     id 'java'
+    id 'application'
+    id 'eclipse'
 }
 
 group 'org.example'
@@ -12,3 +14,7 @@
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.12'
 }
+
+tasks.withType(JavaCompile) {
+    options.encoding = 'UTF-8'
+}
\ No newline at end of file