using System;

public class Program

{

  public static void Main()

  {

        for(int a=7,i=1;i<=25;i++)

        {

            Console.Write(a);

            if(i%5==0) Console.WriteLine();

        for(int b=8;i1;i<=25;i++)

        {

             Console.Write(b);

             if(i%5==0) Console.WriteLine();

        }

    }

}