#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <cmath>
#include <iomanip>
#include <map>
using namespace std;
typedef long long LL;

int main(){
    int P;
    cin >> P;
    for(int p = 0; p < P; p++){
        int N, K;
        cin >> N >> K;
        if(N % (K+1) == 1){
            cout << "LOSE" << endl;
        }else{
            cout << "WIN" << endl;
        }
    }
    return 0;
}