using System;

public class Program

{

    public static void Main()

    {

        int[] a={2,5,7};

        for(int i=1;i<=100;i++)

        {

            bool isexist=false;

            for(int j=0;j<a.Length; j++)

            {

                if(a[j]==i)

                {

                isexist=true;

                }

            }

            if(isexist==true)

            {

                continue;

            }

            Console.Write(i+" ");

        }           

    }

}