static void Num ( int x ) {
  for ( int i = 2 ;
  i <= x / 2 ;
  i ++ ) {
    if ( isPrime ( i ) != 0 && isPrime ( x - i ) != 0 ) {
      a = i ;
      b = x - i ;
      return ;
    }
  }
}

static void Num ( int x ) { for ( int i = 2 ; i <= x / 2 ; i ++ ) { if ( isPrime ( i ) != 0 && isPrime ( x - i ) != 0 ) { a = i ; b = x - i ; return ; } } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier))) right: (decimal_integer_literal)) right: (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (identifier)))) right: (decimal_integer_literal)))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (identifier)))) (return_statement)))))))