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

public class Scan {
    Scanner cin;
    private void run() {
        try {
            cin = new Scanner(new File("test.in"));
        } catch(Exception e) {
            System.exit(2);
        }

        while(cin.hasNextInt()) {
            System.out.println(cin.nextInt());
        }
    }
    public static void main(String[] args) {
        new Scan().run();
    }
}