#include<iostream>

 #include<cstdio>

 #include<cmath>

 #include<cstring>

 using namespace std;

 int sg[][];

 int getsg(int m,int n)

 {

     if(sg[m][n]!=-) return sg[m][n];

     bool vis[];

     memset(vis,,sizeof(vis));

     for(int i=;i<=m/;i++) vis[getsg(i,n)^getsg(m-i,n)]=;

     for(int i=;i<=n/;i++) vis[getsg(m,i)^getsg(m,n-i)]=;

     int i=;

     while(vis[i]) i++;

     return sg[m][n]=i;

 }

 int main()

 {

     memset(sg,-,sizeof(sg));

     int m,n;

     while(cin>>m>>n) puts(getsg(m,n)?"WIN":"LOSE");

     return ;

 }