using System;

public class Program

{

    public static void Main()

    {

        for ( int a = 7; a <= 7; a++ ) {

            Console.Write(1);

        }

        Console.WriteLine("");

        for ( int b = 6; b <= 7; b++ ) {

            Console.Write(2);

        }

        Console.WriteLine("");

        for ( int c = 5; c <= 7; c++ ) {

            Console.Write(3);

        }

        Console.WriteLine("");

        for ( int d = 4; d <= 7; d++ ) {

            Console.Write(4);

        }

    }

}