using System;

public class Program

{

    public static void Main()

    {

        int n=int.Parse(Console.ReadLine());

        int a=5,b=0,c=0;

        for(int i=0;i<=n;i++)

        {

            Console.Write(a);

            a=b*2;

            Console.Write(b);

            c=b+3;

            Console.Write(c);

            c==a;

        }

    }

}