/* ProfTest1B.java */

import java.util.*;

public class ProfTest1B
{
  public static String dots(int len)
  {
    StringBuilder sb = new StringBuilder(len + 10);
    for (int i = 0; i < len; ++i) {
      sb.append('.');
    }
    return sb.toString();
  }

  public static void main(String[] args)
  {
    String s = dots(10000);
    System.out.println(s); 
  }
}