public static void main(String[] args) {
A2 instance = new A2();
Task solver = instance.new Task();
solver.solve();
instance.out.close();
System.exit(0);
}
public static void main(String[] args) throws IOException {
// InputStream inputStream = new FileInputStream("replaceme.in");
// OutputStream outputStream = new FileOutputStream("replaceme.out");
/////////////////////////////////////////////////////////////////////
InputStream inputStream = System.in;
OutputStream outputStream = System.out;
InputReader in = new InputReader(inputStream);
OutputWriter out = new OutputWriter(outputStream);
Task solver = new Task();
solver.solve(1, in, out);
out.close();
System.exit(0);
}