+\r
+inline bool isEven (int n)\r
+{ return (n % 2) == 0; }\r
+\r
+inline bool isOdd (int n)\r
+{ return (n % 2) != 0; }\r
+\r
+#if 0\r
+inline bool isEven (long n)\r
+{ return (n % 2) == 0; }\r
+\r
+inline bool isOdd (long n)\r
+{ return (n % 2) != 0; }\r
+#endif\r
+\r