def insert_book_id(n,book_id,index,value)
   if index<0 or index>n:
      return "Invalid input"
    book_id.insert(index,value)
    return ''.join(map(str,book_id)
def main():
    try:
       n=int(input().strip())
       book_id=list(map(int,input().strip().split())
       index,value=map(int,input().strip().split())
       print(insert_book_id(n,book_id,index,value)
    except Exception as e:
       pass
if__name__=="__main__"