static int countProductTrailing ( int M , int N ) {
  return trailingZero ( N ) + trailingZero ( M ) ;
}

static int countProductTrailing ( int M , int N ) { return trailingZero ( N ) + trailingZero ( M ) ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (return_statement (binary_expression left: (method_invocation name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation name: (identifier) arguments: (argument_list (identifier)))))))