// qdd on Jan 22, 2023

#ifdef qdd
#include <ringo>
#else
#include <bits/stdc++.h>
#define dbg(...)
#define dbgr(x, y)
#endif

using namespace std;

using ll = long long;

#define ALL(x) begin(x), end(x)

template <class T>
istream& operator>>(istream& is, vector<T>& v) {
  for (T& x : v) is >> x;
  return is;
}

template <class T>
ostream& operator<<(ostream& os, const vector<T>& v) {
  bool f = 0;
  for (const T& x : v) (f ? os << ' ' : os) << x, f = 1;
  return os;
}

void sol() {
  string s;
  cin >> s;
  set<char> S;
  for (char c : s) S.insert(c);
  vector<string> a(7);
  cin >> a;
  for (int j = 0; j < 7; j++) {
    string ans(5, 'X');
    for (int i = 0; i < 5; i++) {
      if (s[i] == a[j][i])
        ans[i] = 'G';
      else if (S.count(a[j][i]))
        ans[i] = 'Y';
    }
    if (ans == "GGGGG") {
      cout << "WINNER\n";
      break;
    }
    if (j == 6) {
      cout << "LOSER" << '\n';
    } else {
      cout << ans << '\n';
    }
  }
}

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  sol();
  return 0;
}