public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  int t = in . nextInt ( ) ;
  for ( int i = 0 ;
  i < t ;
  i ++ ) {
    ArrayList < Integer > rounds = new ArrayList < > ( ) ;
    int tenth = 0 ;
    int n = in . nextInt ( ) ;
    while ( n > 0 ) {
      int x = ( n % 10 ) * ( int ) Math . pow ( 10 , tenth ++ ) ;
      if ( x > 0 ) rounds . add ( x ) ;
      n /= 10 ;
    }
    String s = "" ;
    for ( int num : rounds ) {
      s = s + num + " " ;
    }
    s = s . substring ( 0 , s . length ( ) - 1 ) ;
    System . out . println ( rounds . size ( ) ) ;
    System . out . println ( s ) ;
  }
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int t = in . nextInt ( ) ; for ( int i = 0 ; i < t ; i ++ ) { ArrayList < Integer > rounds = new ArrayList < > ( ) ; int tenth = 0 ; int n = in . nextInt ( ) ; while ( n > 0 ) { int x = ( n % 10 ) * ( int ) Math . pow ( 10 , tenth ++ ) ; if ( x > 0 ) rounds . add ( x ) ; n /= 10 ; } String s = " " ; for ( int num : rounds ) { s = s + num + " ▁ " ; } s = s . substring ( 0 , s . length ( ) - 1 ) ; System . out . println ( rounds . size ( ) ) ; System . out . println ( s ) ; } }
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