static boolean isMember ( int a , int d , int x ) {
  if ( d == 0 ) return ( x == a ) ;
  return ( ( x - a ) % d == 0 && ( x - a ) / d >= 0 ) ;
}

static boolean isMember ( int a , int d , int x ) { if ( d == 0 ) return ( x == a ) ; return ( ( x - a ) % d == 0 && ( x - a ) / d >= 0 ) ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) consequence: (return_statement (parenthesized_expression (binary_expression left: (identifier) right: (identifier))))) (return_statement (parenthesized_expression (binary_expression left: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier)) right: (decimal_integer_literal)) right: (binary_expression left: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (identifier)) right: (decimal_integer_literal)))))))