#include #include using namespace std; using i32 = int; using i64 = long long; using u64 = unsigned long long; using i128 = __int128_t; using f64 = long double; using p2 = pair; using el = tuple; using mint = atcoder::modint998244353; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } i64 pow(i64 x, i64 n, i64 m) { i64 res = 1; i64 t = x % m; while (n > 0) { if (n & 1) { res = res * t % m; } t = t * t % m; n >>= 1; } return res; } void _main() { i64 x; cin >> x; if (x == 0) { cout << "Yes\n"; } else { cout << "No\n"; } }