#include <iostream>

int main()
{
	int P; std::cin >> P;
	for(int p=0;p<P;p++)
	{
		int N; std::cin >> N;
		int K; std::cin >> K;
		if(N-1<=K)
		{
			std::cout << "WIN" << std::endl;
		}
		else
		{
			int *dp = new int[N];
			for(int i=0 ; i<=K+2 ; i++)
			{
				dp[i] = true;
			}
			dp[1] = false;
			dp[K+2] = false;
			for(int i=K+3;i<=N;i++)
			{
				dp[i] = dp[i-1-K];
			}
			if(dp[N]) std::cout << "WIN";
			else std::cout << "LOSE";
			std::cout << std::endl;
			delete[] dp;
		}

	}
	return 0;
}