CF456A.Laptops

普及/提高-

通过率:0%

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题目描述

One day Dima and Alex had an argument about the price and quality of laptops. Dima thinks that the more expensive a laptop is, the better it is. Alex disagrees. Alex thinks that there are two laptops, such that the price of the first laptop is less (strictly smaller) than the price of the second laptop but the quality of the first laptop is higher (strictly greater) than the quality of the second laptop.

Please, check the guess of Alex. You are given descriptions of nn laptops. Determine whether two described above laptops exist.

输入格式

The first line contains an integer nn ( 1<=n<=1051<=n<=10^{5} ) — the number of laptops.

Next nn lines contain two integers each, aia_{i} and bib_{i} (1<=ai,bi<=n)(1<=a_{i},b_{i}<=n) , where aia_{i} is the price of the ii -th laptop, and bib_{i} is the number that represents the quality of the ii -th laptop (the larger the number is, the higher is the quality).

All aia_{i} are distinct. All bib_{i} are distinct.

输出格式

If Alex is correct, print "Happy Alex", otherwise print "Poor Alex" (without the quotes).

输入输出样例

  • 输入#1

    2
    1 2
    2 1
    

    输出#1

    Happy Alex
    
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