static boolean isPossible ( int k ) {
  if ( ! exists_zero ) {
    if ( k >= cnt_neg && ( k - cnt_neg ) % 2 == 0 ) return true ;
    else return false ;
  }
  else {
    if ( k >= cnt_neg ) return true ;
    else return false ;
  }
}

static boolean isPossible ( int k ) { if ( ! exists_zero ) { if ( k >= cnt_neg && ( k - cnt_neg ) % 2 == 0 ) return true ; else return false ; } else { if ( k >= cnt_neg ) return true ; else return false ; } }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (unary_expression operand: (identifier))) consequence: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)) right: (decimal_integer_literal)))) consequence: (return_statement (true)) alternative: (return_statement (false)))) alternative: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (return_statement (true)) alternative: (return_statement (false)))))))