using System;

public class Program

{

    public static void Main()

    {

        int n = 4;

        for(int i = 1; i <=n; i++)

        {

            int temp = i;

            for(int j = i; j <= i; j++)

            {

                Console.WriteLine(i);

                if(temp != j)

                {

                    Console.Write(i);

                }

            }

        } 

    }

}