try{
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
System.out.print("input ;");
String s = in.readLine();
n = Integer.parseInt(s);
}catch(IOException e){}
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
System.out.print("input ;");
String s = in.readLine();
n = Integer.parseInt(s);
}catch(IOException e){}
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