1121. You are my brother

时间限制 1000 ms   内存限制 128 MB

Little A gets to know a new friend, Little B, recently. One day, they realize that they are family 500 years ago. Now, Little A wants to know whether Little B is his elder, younger or brother.

输入数据

There are multiple test cases.

For each test case, the first line has a single integer, n (n<=1000). The next n lines have two integers a and b (1<=a,b<=2000) each, indicating b is the father of a. One person has exactly one father, of course. Little A is numbered 1 and Little B is numbered 2.

Proceed to the end of file.

输出数据

For each test case, if Little B is Little A’s younger, print “You are my younger”. Otherwise, if Little B is Little A’s elder, print “You are my elder”. Otherwise, print “You are my brother”. The output for each test case occupied exactly one line.

样例输入

复制
5
1 3
2 4
3 5
4 6
5 6
6
1 3
2 4
3 5
4 6
5 7
6 7 \n
 · \n
 · \n
 · \n
 · \n
 · \n
 \n
 · \n
 · \n
 · \n
 · \n
 · \n
 · \n

样例输出

复制
You are my elder
You are my brother   ·   ·  ·     \n
   ·   ·  ·       \n

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辽宁省赛2010

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