diff --git a/Jenkinsfile b/Jenkinsfile
index 76f5536..65d565a 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,5 +1,11 @@
 pipeline {
     agent any
+    parameters([
+        string( defaultValue: '2000',
+                description: '',
+                name: 'CUTOFF',
+                trim: false)
+        ])
     stages {
         stage('sh: Shell Script') {
             steps {
@@ -7,6 +13,7 @@ pipeline {
                 "KAGGLE_KEY=${params.KAGGLE_KEY}" ]) {
                     sh 'chmod +x script-zadanie-2-4.sh'
                     sh './script-zadanie-2-4.sh'
+                    sh 'head -n ${CUTOFF} train.csv >> train.csv'
                 }
                 archiveArtifacts 'train.csv'
                 archiveArtifacts 'test.csv'