C# 内存泄漏

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication34
{
    class Program
    {
        static long[] a,b;
        static void Main(string[] args)
        {
            int MAX3 = 250000000;
            int MAX = 266337784;//32位
            int MAX2 = 268435448;//64位
            a = new long[MAX3];
            //b = new long[MAX2];
            for (int i = 0; i < a.Length; i++)
            {
                a[i] = i;
            }
            /*
            b = new long[100000000];
            for (int i = 0; i < b.Length; i++)
            {
                b[i] = i;
            }
            */
            do
            {
                Console.WriteLine("输入q退出：");
                string n = Console.ReadLine();
                if (n == "q")
                {
                    break;
                }
            } while (true);
        }
    }
}