using System;

using System.IO;

using System.Collections;

using System.Linq;

public class Program

{

    public static void Main()

    {

        Random random = new Random();

        int numberOfLines = 10000;

​

        using (StreamWriter writer = new StreamWriter("output.txt"))

        {

            for (int i = 0; i < numberOfLines; i++)

            {

                string numberValue = $"\"{random.Next()}\"";

                string randomString1 = $"\"{GenerateRandomString()}\"";

                string randomString2 = $"\"{GenerateRandomString()}\"";

                string randomString3 = $"\"{GenerateRandomString()}\"";

                string randomBetween0and1 = $"\"{random.Next()}\"";

​

                string line = $"{numberValue};{randomString1};{randomString2};{randomString3};{randomBetween0and1}";

​

                Console.WriteLine(line);

            }

        }

​

        Console.WriteLine("Data generation completed.");

    }

​

 static string GenerateRandomString()

    {

        const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";

        Random random = new Random();

        int length = random.Next(5, 15);

        return new string(Enumerable.Repeat(chars, length)

            .Select(s => s[random.Next(s.Length)]).ToArray());

    }

}