using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Collections.Generic;
using System.Diagnostics;
using Enu = System.Linq.Enumerable;

class Program
{
    static readonly int Size = (int)2e7;
    static readonly Random random = new Random(0);

    int[] A = new int[Size];

    public void Solve()
    {
        DoSomething();
        for (int i = 0; i < Size; i++) A[i] = 0;
        DoSomething();
        Console.WriteLine(0);
    }

    public bool DoSomething()
    {
        for (int i = 0; i < Size; i++)
            A[i] = random.Next();
        return A[random.Next(Size)] == 0;
    }

}


class Entry { static void Main() { new Program().Solve(); } }