/* package whatever; // don't place package name! */
 
class Main{
  static int c(int i){
    int r = (int)Math.pow(10, (i+"").length()) / 9;
    return (-i / r - 1) * -r - i;
  }
 
  public static void main(String[] a){
    System.out.println(c(8));
    System.out.println(c(100));
    System.out.println(c(113));
    System.out.println(c(87654321));
    System.out.println(c(42));
    System.out.println(c(20000));
    System.out.println(c(11132));
  }
}

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