完成以下要求:
![](https://img.haomeiwen.com/i14495073/38bd9021d910a87c.png)
Console.WriteLine("请输入年龄");
string a=Console.ReadLine();
int b= Convert.ToInt32(a);
if (b >= 18)
Console.WriteLine("请查看");
if (b<10)
Console.WriteLine("不允许查看");
if (b >= 10 && b < 18)
Console.WriteLine("是否要查看 是:yes 否:no");
if (Console.ReadLine() == "yes")
Console.WriteLine("请查看");
else
Console.WriteLine("你放弃查看");
Console.ReadKey();