static int cntWays ( int n ) {
  if ( n % 2 == 1 ) {
    return 0 ;
  }
  else {
    return ( n - 2 ) / 4 ;
  }
}

static int cntWays ( int n ) { if ( n % 2 == 1 ) { return 0 ; } else { return ( n - 2 ) / 4 ; } }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (return_statement (decimal_integer_literal))) alternative: (block (return_statement (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (decimal_integer_literal)))))))