#include<iostream>
using namespace std;
using ll=long long;

int main() {
	ll K, A, P, G = 0;
	cin >> K;

	for (ll i = 0; i < K; i++) {
		cin >> A >> P;
		G = G ^ (A % (P + 1));
	}

	if (G == 0) {
		cout << "Lose" << endl;
	}
	else {
		cout << "Win" << endl;
	}
}