using System;
using System.Collections.Generic;
using System.Linq;

namespace KyoProCon
{
    public class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello World!");
        }

        static List<int> Judge(List<int> ownBallList, List<int[]> passCommandList)
        {
            foreach (var passCommand in passCommandList)
            {
                var passer = passCommand[0] - 1;
                var receiver = passCommand[1] - 1;
                var moveBallCount = Math.Min(ownBallList[passer], passCommand[2]);

                ownBallList[passer] -= moveBallCount;
                ownBallList[receiver] += moveBallCount;
            }

            return ownBallList;
        }

        static String GetAsString()
        {
            return Console.ReadLine()?.Trim() ?? String.Empty;
        }

        public static int GetAsInt()
        {
            return int.Parse(GetAsString());
        }

        static int[] GetAsIntArray()
        {
            return (Console.ReadLine() ?? string.Empty)
                .Trim()
                .Split(' ')
                .Select(int.Parse)
                .ToArray();
        }

        static double[] GetAsDoubleArray()
        {
            return (Console.ReadLine() ?? string.Empty)
                .Trim()
                .Split(' ')
                .Select(double.Parse)
                .ToArray();
        }

        static string[] GetAsStringArray()
        {
            return (Console.ReadLine() ?? string.Empty)
                .Trim()
                .Split(' ')
                .ToArray();
        }

        static Dictionary<string, int[]> GetHashWithIntArray(int rowCount)
        {
            var list = new Dictionary<string, int[]>();
            for (int i = 0; i < rowCount; i++)
            {
                var s = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
                list.Add(
                    s.First(),
                    s.Skip(1).Select(int.Parse).ToArray()
                );
            }
            return list;
        }

        /// <summary>
        /// rows 行回だけ GetAsInt を繰り返し List<int> を作る
        /// </summary>
        static List<int> GetAsIntList(int rows)
        {
            var l = new List<int>();
            for (int i = 0; i < rows; i++)
            {
                l.Add(GetAsInt());
            }

            return l;
        }
        
        static List<int[]> GetAsIntArrayList(int rows)
        {
            var l = new List<int[]>();
            for (int i = 0; i < rows; i++)
            {
                l.Add(GetAsIntArray());
            }

            return l;
        }
        
        /// <summary>
        /// rows * 1 のリスト
        /// </summary>
        static List<string> GetAsStringList(int rows)
        {
            var l = new List<string>();
            for (int i = 0; i < rows; i++)
            {
                l.Add(GetAsString());
            }

            return l;
        }
    }
}