public static void main ( String [ ] args ) {
  int N = ni ( ) ;
  int x = ni ( ) ;
  int [ ] a = niarr ( N ) ;
  Arrays . sort ( a ) ;
  int num = 0 ;
  int i = 0 ;
  while ( i < N && x >= a [ i ] ) {
    x -= a [ i ] ;
    i ++ ;
    num ++ ;
  }
  if ( x > 0 && num > 0 && i == N ) {
    num -- ;
  }
  out . println ( num ) ;
}

public static void main ( String [ ] args ) { int N = ni ( ) ; int x = ni ( ) ; int [ ] a = niarr ( N ) ; Arrays . sort ( a ) ; int num = 0 ; int i = 0 ; while ( i < N && x >= a [ i ] ) { x -= a [ i ] ; i ++ ; num ++ ; } if ( x > 0 && num > 0 && i == N ) { num -- ; } out . println ( num ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (method_invocation name: (identifier) arguments: (argument_list (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (identifier) right: (array_access array: (identifier) index: (identifier))))) body: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (update_expression (identifier))) (expression_statement (update_expression (identifier))))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (binary_expression left: (identifier) right: (identifier)))) consequence: (block (expression_statement (update_expression (identifier))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))))