Submission #6608986

---

Source Code Expand

using System;
using System.IO;
using System.Text;

class Program
{
    static void Main(string[] args)
    {
        var p = new Program();
        var S = Console.ReadLine();
        string result = "No";

        if (S[1] == S[2])
        {
            result = "No";
        }
        else if (S[0] == S[1] && S[2] == S[3])
        {
            result = "Yes";
        }
        else
        {
            result = "No";
        }

        //標準出力ストリームの作成
        var sw = new StreamWriter(Console.OpenStandardOutput())
        {
            AutoFlush = false
        };

        //Consoleの出力ストリームを変更する
        Console.SetOut(sw);
        Console.WriteLine(result);
        Console.Out.Flush();
    }
}

Submission Info

Judge Result