#include using namespace std; using ll = long long; // https://manabitimes.jp/math/883 int main(){ vector p = {2, 3, 5, 7, 13, 17, 19, 31, 61}; ll N; cin >> N; bool ok = 0; for (auto x : p){ if (N == (1ll << (x - 1)) * ((1ll << x) - 1)){ ok = 1; } } cout << (ok ? "Yes\n" : "No\n"); }