#include <bits/stdc++.h>   using namespace std;   int main() {     int n, m, i, j, a, b, k;     vector<vector<bool> > M;     cin >> n;     m = 5;     M.resize(m);     for (i = 0; i < m; i++) M[i].resize(m);     for (i = 0; i < n; i++) {       cin >> a >> b;       a--;       b--;       M[a][b] = M[b][a] = true;     }     for (i = 0; i < m - 2; i++)       for (j = i + 1; j < m - 1; j++)         for (k = j + 1; k < m; k++)           if (M[i][j] == M[i][k] && M[i][j] == M[j][k]) {             cout <<  WIN ;             return 0;           }     cout <<  FAIL ;     return 0;   }   