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

public class EOF {
	public static void main(String [] args) throws Exception {
		Scanner scanner = new Scanner(System.in);

		System.out.print("number? ");
		while (scanner.hasNextInt()) {
			int number = scanner.nextInt();
			System.out.println(number);
			System.out.print("number? ");
		}
	}
}