#include using namespace std; typedef long long ll; typedef pair p_ll; template void debug(T itr1, T itr2) { auto now = itr1; while(now=0; i--) const ll MOD = pow(10,9)+7; const ll LLINF = pow(2,61)-1; const int INF = pow(2,30)-1; vector fac; void c_fac(int x=pow(10,6)+10) { fac.resize(x,true); rep(i,x) fac[i] = i ? (fac[i-1]*i)%MOD : 1; } ll inv(ll a, ll m=MOD) { ll b = m, x = 1, y = 0; while (b!=0) { int d = a/b; a -= b*d; swap(a,b); x -= y*d; swap(x,y); } return (x+m)%m; } ll nck(ll n, ll k) { return fac[n]*inv(fac[k]*fac[n-k]%MOD)%MOD; } ll gcd(ll a, ll b) { if (a isp; void sieve(int x=pow(10,6)+10) { isp.resize(x,true); isp[0] = false; isp[1] = false; for (int i=2; pow(i,2)<=x; i++) { if (isp[i]) for(int j=2; i*j<=x; j++) isp[i*j] = false; } } // ---------------------------------------------------------------------- // ---------------------------------------------------------------------- int main() { ll N; cin >> N; ll M[N]; rep(i,N) cin >> M[i]; ll x[N] = {}; sieve(); rep(i,N) { for (ll j=2; j*j<=M[i]; j++) { if (isp[j]&&M[i]%j==0) { ll count = 0; while (M[i]%j==0) { M[i] /= j; count++; } x[i] ^= count%3!=0; } } x[i] ^= M[i]!=1; } // debug(x, x+N); ll xs = 0; rep(i,N) xs ^= x[i]; string result = xs ? "Alice" : "Bob"; cout << result << endl; return 0; }