public static void main ( String [ ] args ) throws IOException {
  Scanner in = new Scanner ( System . in ) ;
  int k = in . nextInt ( ) ;
  if ( k == 0 ) {
    System . out . println ( 0 ) ;
    System . exit ( 0 ) ;
  }
  int [ ] inputs = new int [ 12 ] ;
  int i , sum = 0 , cnt = 0 ;
  for ( i = 0 ;
  i < 12 ;
  i ++ ) {
    inputs [ i ] = in . nextInt ( ) ;
  }
  Arrays . sort ( inputs ) ;
  int flag = 0 ;
  for ( i = inputs . length - 1 ;
  i >= 0 ;
  i -- ) {
    sum += inputs [ i ] ;
    cnt ++ ;
    if ( sum >= k ) {
      flag = 1 ;
      break ;
    }
  }
  if ( flag == 0 ) {
    System . out . println ( - 1 ) ;
  }
  else {
    System . out . println ( cnt ) ;
  }
}

public static void main ( String [ ] args ) throws IOException { Scanner in = new Scanner ( System . in ) ; int k = in . nextInt ( ) ; if ( k == 0 ) { System . out . println ( 0 ) ; System . exit ( 0 ) ; } int [ ] inputs = new int [ 12 ] ; int i , sum = 0 , cnt = 0 ; for ( i = 0 ; i < 12 ; i ++ ) { inputs [ i ] = in . nextInt ( ) ; } Arrays . sort ( inputs ) ; int flag = 0 ; for ( i = inputs . length - 1 ; i >= 0 ; i -- ) { sum += inputs [ i ] ; cnt ++ ; if ( sum >= k ) { flag = 1 ; break ; } } if ( flag == 0 ) { System . out . println ( - 1 ) ; } else { System . out . println ( cnt ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_identifier)) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (decimal_integer_literal)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (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: (dimensions_expr (decimal_integer_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (assignment_expression left: (identifier) right: (decimal_integer_literal)) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (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))) (for_statement init: (assignment_expression left: (identifier) right: (binary_expression left: (field_access object: (identifier) field: (identifier)) right: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (decimal_integer_literal)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))) (expression_statement (update_expression (identifier))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (break_statement))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (unary_expression operand: (decimal_integer_literal)))))) alternative: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))))