static void cal ( int n ) {
  String s = Integer . toString ( n ) ;
  int len = s . length ( ) ;
  int number [ ] = new int [ len ] ;
  for ( int i = 0 ;
  i < len ;
  i ++ ) {
    number [ i ] = s . charAt ( i ) - '0' ;
  }
  List < Integer > l = new ArrayList < > ( ) ;
  int place = len - 1 ;
  for ( int i = 0 ;
  i < len ;
  i ++ ) {
    int no = number [ i ] * ( int ) ( Math . pow ( 10 , place ) ) ;
    if ( no != 0 ) l . add ( no ) ;
    place -- ;
  }
  System . out . println ( l . size ( ) ) ;
  for ( int ele : l ) System . out . print ( ele + " " ) ;
  System . out . println ( ) ;
}

static void cal ( int n ) { String s = Integer . toString ( n ) ; int len = s . length ( ) ; int number [ ] = new int [ len ] ; for ( int i = 0 ; i < len ; i ++ ) { number [ i ] = s . charAt ( i ) - '0' ; } List < Integer > l = new ArrayList < > ( ) ; int place = len - 1 ; for ( int i = 0 ; i < len ; i ++ ) { int no = number [ i ] * ( int ) ( Math . pow ( 10 , place ) ) ; if ( no != 0 ) l . add ( no ) ; place -- ; } System . out . println ( l . size ( ) ) ; for ( int ele : l ) System . out . print ( ele + " ▁ " ) ; System . out . println ( ) ; }
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