public static void main ( String [ ] args ) {
  Scanner in = new Scanner ( System . in ) ;
  int n = in . nextInt ( ) ;
  int k = in . nextInt ( ) ;
  int a [ ] = new int [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) a [ i ] = in . nextInt ( ) ;
  StringBuffer sb = new StringBuffer ( ) ;
  int c = 0 ;
  while ( k > 0 ) {
    int min = Integer . MAX_VALUE , p = - 1 ;
    for ( int i = 0 ;
    i < n ;
    i ++ ) {
      if ( a [ i ] < min ) {
        min = a [ i ] ;
        p = i ;
      }
    }
    k -= min ;
    if ( k >= 0 ) {
      c ++ ;
      a [ p ] = Integer . MAX_VALUE ;
      p = p + 1 ;
      sb . append ( p + " " ) ;
    }
  }
  System . out . println ( c ) ;
  System . out . println ( sb ) ;
}

public static void main ( String [ ] args ) { Scanner in = new Scanner ( System . in ) ; int n = in . nextInt ( ) ; int k = in . nextInt ( ) ; int a [ ] = new int [ n ] ; for ( int i = 0 ; i < n ; i ++ ) a [ i ] = in . nextInt ( ) ; StringBuffer sb = new StringBuffer ( ) ; int c = 0 ; while ( k > 0 ) { int min = Integer . MAX_VALUE , p = - 1 ; for ( int i = 0 ; i < n ; i ++ ) { if ( a [ i ] < min ) { min = a [ i ] ; p = i ; } } k -= min ; if ( k >= 0 ) { c ++ ; a [ p ] = Integer . MAX_VALUE ; p = p + 1 ; sb . append ( p + " ▁ " ) ; } } System . out . println ( c ) ; System . out . println ( sb ) ; }
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