import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.IOException;

public class BufferedReaderDemo {
	public static void main(String[] args) {

		/*
		A BufferedStreamReader has a readLine method, which reads
		until it encounters '\n', '\r', or '\n\r'.
		*/
		InputStreamReader reader = new InputStreamReader(System.in);
		BufferedReader breader = new BufferedReader(reader);

		try {
			String s;
			while ((s = breader.readLine()) != null) {
				System.out.println(s);
			}
		}
		catch (IOException e) {
			System.err.println(e.getMessage());
		}
	}
}