Standard input will contain multiple data sets. Each data set consists two parts. For the first part, the first line is an integer N, followed by N lines. Each line contains an integer Si(Si<=32768), representing the power of each monkey. For the second part, the first line is an integer M (M <= 100,000), meaning there were M times of conflicts. Then, M lines follow, each line contains two integers x and y, which means the xth monkey has conflict with the yth monkey.

1.txt

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