using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("DQ, ERR, MCL, NCH, OSCR, PAID, PREQ".Contains("DQ"));

        Console.WriteLine("DQ, ERR, MCL, NCH, OSCR, PAID, PREQ".Contains("ENC"));

        Console.WriteLine("ENC".Contains("DQ, ERR, MCL, NCH, OSCR, PAID, PREQ"));

        Console.WriteLine("DQ".Contains("DQ, ERR, MCL, NCH, OSCR, PAID, PREQ"));

    }

}