int i = 9;
if (i % 2 == 0) goto Found;
else goto NoFound;


        NoFound:
            Console.WriteLine(i.ToString() + "不是偶数");
            goto finish;//出口点
        Found:
            Console.WriteLine(i.ToString() + "为偶数");
            goto finish; //出口点
        finish:
            Console.Read();

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