#include <iostream>
using namespace std;


bool solve(int a,int b);
int a,b;

int main(){


    while(cin>>a>>b){
        if(a == 0 && b == 0) 
            return 0;
        if(a >= b){

            if(solve(a,b))  
              cout<<"win"<<endl;
            else
               cout<<"lose"<<endl;

        }
        else{
            if(solve(b,a))  
              cout<<"win"<<endl;
            else
               cout<<"lose"<<endl;
        }


    }

    return 0;


}


bool solve(int a,int b){

    if(a / b >= 2 || b == 0 || a == b)
        return true;
    else
        return !solve(b,a-b);
}