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    import java.util.*;
    
    public class Main{
        
       static Iterator func(ArrayList mylist){
          Iterator it=mylist.iterator();
          while(it.hasNext()){
             Object element = it.next();
             if(element instanceof String)//Hints: use instanceof operator
    
                break;
            }
          return it;
          
       }
      
       @SuppressWarnings({ "unchecked" })
       public static void main(String []args){
          ArrayList mylist = new ArrayList();
          Scanner sc = new Scanner(System.in);
          int n = sc.nextInt();
          int m = sc.nextInt();
          for(int i = 0;i<n;i++){
             mylist.add(sc.nextInt());
          }
          
          mylist.add("###");
          for(int i=0;i<m;i++){
             mylist.add(sc.next());
          }
          
          Iterator it=func(mylist);
          while(it.hasNext()){
             Object element = it.next();
             System.out.println((String)element);
          }
       }
    }