public static void main ( String [ ] args ) throws Exception {
  try {
    Scanner sc = new Scanner ( System . in ) ;
    int n = sc . nextInt ( ) , b = sc . nextInt ( ) ;
    double sum = 0 ;
    double [ ] arr = new double [ 100 ] ;
    for ( int i = 0 ;
    i < n ;
    i ++ ) {
      arr [ i ] = sc . nextDouble ( ) ;
      sum += arr [ i ] ;
    }
    sum += b ;
    sum /= n ;
    for ( int i = 0 ;
    i < n ;
    i ++ ) {
      if ( arr [ i ] > sum ) {
        System . out . println ( - 1 ) ;
        return ;
      }
    }
    for ( int i = 0 ;
    i < n ;
    i ++ ) {
      System . out . printf ( "%.6f\n" , sum - arr [ i ] ) ;
    }
  }
  catch ( Exception e ) {
  }
}

public static void main ( String [ ] args ) throws Exception { try { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) , b = sc . nextInt ( ) ; double sum = 0 ; double [ ] arr = new double [ 100 ] ; for ( int i = 0 ; i < n ; i ++ ) { arr [ i ] = sc . nextDouble ( ) ; sum += arr [ i ] ; } sum += b ; sum /= n ; for ( int i = 0 ; i < n ; i ++ ) { if ( arr [ i ] > sum ) { System . out . println ( - 1 ) ; return ; } } for ( int i = 0 ; i < n ; i ++ ) { System . out . printf ( " % .6f \n " , sum - arr [ i ] ) ; } } catch ( Exception e ) { } }
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