diff --git a/Jenkinsfile b/Jenkinsfile
index b2eb00b..5ef7f44 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,8 +1,13 @@
 pipeline {
-    agent any
+    agent {
+        dockerfile {
+            filename 'Dockerfile'
+            args '-u root:root'
+        }
+    }
 
     stages {
-        stage('Preparation') { 
+        stage('Preparation') {
             when { expression { true } }
             steps {
                 script {
@@ -50,6 +55,8 @@ pipeline {
                                 unzip -o olympics-124-years-datasettill-2020.zip
 
                                 echo "Processed Data" > output.txt
+
+                                python3 /app/scripts/stats.py -i olympics-124-years-datasettill-2020/Athletes_summer_games.csv -o output.txt
                             '''
                             sh "head -n ${params.CUTOFF} olympics-124-years-datasettill-2020/Athletes_summer_games.csv"
                         }
diff --git a/Jenkinsfile2 b/Jenkinsfile2
index f04d837..e961cbf 100644
--- a/Jenkinsfile2
+++ b/Jenkinsfile2
@@ -1,5 +1,10 @@
 pipeline {
-    agent any
+    agent {
+        docker {
+            image 's487187/ium:general'
+            args '-u root:root'
+        }
+    }
     
     parameters {
         buildSelector(
@@ -42,7 +47,7 @@ pipeline {
                 sh '''
                     #!/bin/bash
                     
-                    wc -l olympics-124-years-datasettill-2020/Athletes_summer_games.csv > output.txt
+                    python3 count_lines.py --input_file olympics-124-years-datasettill-2020/Athletes_summer_games.csv > output.txt
                 '''
             }
         }