public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  int n = scan . nextInt ( ) ;
  long x = scan . nextInt ( ) ;
  long [ ] w = new long [ n ] ;
  for ( int i = 0 ;
  i < n ;
  ++ i ) w [ i ] = scan . nextInt ( ) ;
  int m = n / 2 ;
  long [ ] f = new long [ 1 << m ] ;
  long [ ] s = new long [ 1 << n - m ] ;
  for ( int i = 0 ;
  i < 1 << m ;
  ++ i ) for ( int j = 0 ;
  j < m ;
  ++ j ) if ( ( i & 1 << j ) != 0 ) f [ i ] += w [ j ] ;
  for ( int i = 0 ;
  i < 1 << n - m ;
  ++ i ) for ( int j = 0 ;
  j < n - m ;
  ++ j ) if ( ( i & 1 << j ) != 0 ) s [ i ] += w [ m + j ] ;
  Map < Long , Integer > hs = new HashMap < Long , Integer > ( ) ;
  for ( long ss : s ) if ( ! hs . containsKey ( ss ) ) hs . put ( ss , 1 ) ;
  else hs . put ( ss , hs . get ( ss ) + 1 ) ;
  long total = 0 ;
  for ( long ff : f ) if ( hs . containsKey ( x - ff ) ) total += hs . get ( x - ff ) ;
  System . out . println ( total ) ;
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; int n = scan . nextInt ( ) ; long x = scan . nextInt ( ) ; long [ ] w = new long [ n ] ; for ( int i = 0 ; i < n ; ++ i ) w [ i ] = scan . nextInt ( ) ; int m = n / 2 ; long [ ] f = new long [ 1 << m ] ; long [ ] s = new long [ 1 << n - m ] ; for ( int i = 0 ; i < 1 << m ; ++ i ) for ( int j = 0 ; j < m ; ++ j ) if ( ( i & 1 << j ) != 0 ) f [ i ] += w [ j ] ; for ( int i = 0 ; i < 1 << n - m ; ++ i ) for ( int j = 0 ; j < n - m ; ++ j ) if ( ( i & 1 << j ) != 0 ) s [ i ] += w [ m + j ] ; Map < Long , Integer > hs = new HashMap < Long , Integer > ( ) ; for ( long ss : s ) if ( ! hs . containsKey ( ss ) ) hs . put ( ss , 1 ) ; else hs . put ( ss , hs . get ( ss ) + 1 ) ; long total = 0 ; for ( long ff : f ) if ( hs . containsKey ( x - ff ) ) total += hs . get ( x - ff ) ; System . out . println ( total ) ; }
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name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: 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