how Hitler decided which Jews to gas

import java.util.Scanner;
import java.util.ArrayList;

public class PartyInvitation
{
/** k amount of friends, m amount of rounds,
in round i, remove all friends
in a position that is multiple of i */

  public static void main(String[] args){

  Scanner s=new Scanner(System.in);
  ArrayList<Integer> executionList= new ArrayList<Integer>();
  int[] kill= new int[10];

  int victimNum= s.nextInt();
  int roundNum=s.nextInt();

  for(int i=0; i<roundNum; i++){
    kill[i]=s.nextInt();
  }

  for(int i=0; i<victimNum; i++) {
  executionList.add(i+1);
  }

  for(int i=0; i<roundNum; i++) {
    for(int o=0; o< executionList.size(); o++){
      if((o+1)%kill[i]==0){
        executionList.set(o,-1);
      }
    }
    for(int o=0; o< executionList.size(); o++){
      if(executionList.get(o)==-1)
        executionList.remove(o);
    }
  }

    for( int ethnicCleansing: executionList){
     System.out.println(ethnicCleansing);
    }

  }
}