using System;

class Program
{
    static void Main()
    {
        int p = int.Parse(Console.ReadLine());
        var n = new int[p];
        var k = new int[p];
        for (int i = 0; i < p; i++)
        {
            var tmp = Console.ReadLine().Split();
            n[i] = int.Parse(tmp[0]);
            k[i] = int.Parse(tmp[1]);
        }

        for (int i = 0; i < p; i++)
        {
            if ((n[i] - 1) % (k[i] + 1) == 0) Console.WriteLine("LOSE");
            else Console.WriteLine("WIN");
        }
    }
}