using System;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        Task.Run(() => tes(2));

        Task.Run(() => tes(1));

        Task.Run(() => tes(3));

        Console.WriteLine("aaaa");

    }

    public static async Task tes(short requestType){

          _ = (short)requestType switch

                {

                    1 => P1(),

                    _ => P2()

                };

    }

    public static async Task P1(){

        Console.WriteLine("wow p1");

    }

    public static async Task P2(){

        Console.WriteLine("wow p2");

    }

}