#include #include #include #include #include #include #include #include #include static const int MOD = 1000000007; using ll = long long; using uint = unsigned; using ull = unsigned long long; using namespace std; template constexpr T INF = ::numeric_limits::max() / 32 * 15 + 208; int main() { int n; cin >> n; vector v(n); for (auto &&i : v) scanf("%d", &i); ll S = accumulate(v.begin(),v.end(), 0LL); if(S%n == 0) puts("Yes"); else puts("No"); return 0; }