#include using namespace std; struct iofast_t { iofast_t() { ios::sync_with_stdio(false); cin.tie(nullptr); } } iofast; struct uns_t {} uns; template auto vec(Element init, Head arg, Args ...args) { if constexpr (sizeof...(Args) == 0) return vector(arg, init); else return vector(arg, vec(init, args...)); } template auto vec(uns_t, Head arg, Args ...args) { return vec(Element(), arg, args...); } template auto distance(const Container &c, decltype(begin(c)) iter) { return distance(begin(c), iter); } template ::value_type>> auto isort(RIter first, RIter last, Compare comp = Compare()) { vector i(distance(first, last)); iota(begin(i), end(i), 0); sort(begin(i), end(i), [&](auto x, auto y) { return comp(*(first + x), *(first + y)); }); return i; } template typename, typename = void_t<>> struct detect : false_type {}; template typename Check> struct detect>> : true_type {}; template typename Check> constexpr inline bool detect_v = detect::value; template using has_member_sort = decltype(declval().sort()); template > auto sorted(Container c, Compare comp = Compare()) { if constexpr (detect_v) { c.sort(comp); return c; } else { sort(begin(c), end(c), comp); return c; } } template > auto uniqued(Container c, Compare comp = Compare()) { c.erase(unique(begin(c), end(c), comp), end(c)); return c; } template > T &chmin(T &l, T r, Compare &&f = less()) { return l = min(l, r, f); } template > T &chmax(T &l, T r, Compare &&f = less()) { return l = max(l, r, f); } int main() { int n; cin >> n; auto a = vec(uns, n); for (auto &e : a) cin >> e; sort(begin(a), end(a)); auto neq = [](auto x) { return x != 0; }; if (count_if(begin(a), end(a), neq) <= 2) { cout << "Yes" << endl; return 0; } auto c = count(begin(a), end(a), 0); auto b = vec(uns, 0); copy(find_if(begin(a), end(a), neq), end(a), back_inserter(b)); int64_t g = 0; for (int i = 1; i < size(b); ++i) { g = gcd(g, b[i] - b[i - 1]); } if (g == 0) { cout << "Yes" << endl; return 0; } auto last = b[0]; for (int i = 1; i < size(b) && 0 <= c; ++i) { c -= (b[i] - last) / g - 1; last = b[i]; } cout << (0 <= c ? "Yes" : "No") << endl; }