#include #include using namespace atcoder; using mint = modint998244353; using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) #define Inf 1000000000000000 int main() { int n; cin>>n; vector q(1<(n)); vector r(1<>q[i][j]; cin>>r[i]; } cout<<"A="; if(r==vector(1<(1<