static int NumberOfRectangles ( int n , int m ) {
  if ( n % 2 == 0 ) return ( n / 2 ) * m ;
  else if ( m % 2 == 0 ) return ( m / 2 ) * n ;
  return ( n * m - 1 ) / 2 ;
}

static int NumberOfRectangles ( int n , int m ) { if ( n % 2 == 0 ) return ( n / 2 ) * m ; else if ( m % 2 == 0 ) return ( m / 2 ) * n ; return ( n * m - 1 ) / 2 ; }
(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 (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (return_statement (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (identifier))) alternative: (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (return_statement (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))) right: (identifier))))) (return_statement (binary_expression left: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) right: (decimal_integer_literal)))))