import java.util.Scanner;
public class katsika
{
private Scanner input = new Scanner(System.in);

public katsika()
{
   }
   public void mpe()
   {
       int n;
       n = input.nextInt();
       while (n != 0)
       {
           System.out.println(n);
           n = input.nextInt();
       }
   }
}