import java.util.*;
import java.io.*;

public class IO {

	public IO () {
	
		Scanner s = new Scanner(System.in);
		String str = "a";
		
		BufferedWriter bw = null;
		
		try {
			bw = new BufferedWriter(new FileWriter("out.txt"));
		} catch (IOException ioe) {
			ioe.printStackTrace();
		}
		
		while (!str.equals("")) {
			str = s.nextLine();
			if (!str.equals("")) {
				try {
					bw.write(str);
					bw.newLine();
				} catch (IOException ioe) {
					ioe.printStackTrace();
				}
			}
		}
		
		try {
			bw.close();
		} catch (IOException ioe) {
			ioe.printStackTrace();
		}
		
	}
	

	public static void main (String args[]) {
	
		new IO();
		
	}
	
}