#include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace::std; template ostream& operator<< (ostream& o, const pair& p) { o << "<" << p.first << ", " << p.second << ">"; return o; } template ostream& operator<< (ostream& o, const vector& v) { for (const auto& x : v) o << x << " "; return o; } template ostream& operator<< (ostream& o, const set& v) { for (const auto& x : v) o << x << " "; return o; } template ostream& operator<< (ostream& o, const deque& v) { for (const auto& x : v) o << x << " "; return o; } template ostream& operator<<(ostream& o, const unordered_map& m) { o << "{"; for (const auto& [k, v] : m) o << " " << k << ": " << v << ","; o << "}"; return o; } template ostream& operator<< (ostream& o, const vector>& v) { for (const auto& x : v) o << x << endl; return o; } ostream& operator<< (ostream& o, const vector& v) { for (const auto& x : v) o << x << endl; return o; } template istream& operator>> (istream& i, vector& v) { for (auto& x : v) i >> x; return i; } istream& operator>> (istream& i, pair& p) { i >> p.first >> p.second; return i; } string Yes(bool b) { return b ? "Yes" : "No"; } int main() { ios::sync_with_stdio(false); int n; cin >> n; unordered_set r; for (int i = 0; i < n ; ++i) { int a; cin >> a; r.insert((n + (a % n)) % n); } cout << Yes(r.size() == 1) << endl; return 0; }