using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var c = NList;
        var v = new int[4];
        v[0] = c[0];
        for (var i = 1; i < 4; ++i) v[i] = c[1];
        WriteLine(4);
        WriteLine(string.Join(" ", v));
        var t = NN;
        WriteLine(t);
    }
}