睡不着....

#include <iostream>
#include <cmath>
#include <algorithm>
using namespace std;

int a, b;

bool dfs(int a, int b){
    if(a / b >= 2 || a == b) return 1;
    return !dfs(b, a-b);
}

int main(){
    while(cin >> a >> b){
        if (a == 0 && b == 0) break;
        if(b > a) swap(a, b);
        if(dfs(a, b)) cout << "win" << endl;
        else cout << "lose" << endl;
    }
    return 0;
}