// #define _GLIBCXX_DEBUG // for STL debug (optional) #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define debug(...) fprintf(stderr, __VA_ARGS__) #define int long long int template void chmax(T &a, T b) {a = max(a, b);} template void chmin(T &a, T b) {a = min(a, b);} template void chadd(T &a, T b) {a = a + b;} typedef pair pii; typedef long long ll; int dx[] = {0, 0, 1, -1}; int dy[] = {1, -1, 0, 0}; const ll INF = 1001001001001001LL; const ll MOD = 1000000007LL; int board[1 << 12][12], R[1 << 12]; signed main() { int N; cin >> N; int cntT = 0, cntF = 0; for(int i=0; i<(1<> board[i][j]; } cin >> R[i]; if(R[i] == 0) cntF++; if(R[i] == 1) cntT++; } if(cntT == (1 << N)) { cout << "A=⊤" << endl; } else if(cntF == (1 << N)) { cout << "A=⊥"<< endl; } else { cout << "A="; for(int i=0; i<(1<