#include <bits/stdc++.h>
using namespace std;
#define int long long

#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

string solve(string s, string t){
    string ans = "XXXXX";
    vector<bool>vis(5);
    vector<bool>used(5);
    for(int i = 0; i<5; i++){
        if(s[i] == t[i]){
            vis[i] = true;
            used[i] = true;
            ans[i] = 'G';
        }
    }
    for(int i = 0; i<5; i++){
        if(used[i])continue;
        int idx = -1;
        for(int j = 0; j<5; j++){
            if(vis[j])continue;
            if(s[j] == t[i]){
                idx = j;
                break;
            }
        }
        if(idx >= 0){
            used[i] = true;
            ans[i] = 'Y';
            vis[idx] = true;
        }
    }
    return ans;
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    string s;
    cin >> s;
    vector<string>a(7);
    for(int i = 0; i<7; i++){
        cin >> a[i];
    }
    for(int i = 0; i<7; i++){
        string res = solve(s,a[i]);
        if(res == "GGGGG"){
            cout << "WINNER\n";
            return 0;
        }
        else if(i == 6){
            cout << "LOSER\n";
        }
        else{
            cout << res << '\n';
        }
    }
    return 0;
}