#include #include using namespace std; using ll = long long; #define rep(i, s, t) for (ll i = s; i < (ll)(t); i++) #define all(x) begin(x), end(x) template bool chmin(T& x, T y) { return x > y ? (x = y, true) : false; } template bool chmax(T& x, T y) { return x < y ? (x = y, true) : false; } using mint = atcoder::modint998244353; void solve() { ll n, a, b, c; cin >> n >> a >> b >> c; if (b > c) swap(b, c); if (a > c) swap(a, c); if (a > b) swap(a, b); if (a % 2 == 0 && b % 2 == 0) { cout << n << '\n'; return; } ll ans = n; rep(i, 1, 60) { ll d = (1LL << i) - 1; if (d == a || d == b || d == c) { ans -= (n >> i) + ((n >> (i - 1)) & 1); } } cout << ans << '\n'; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); int t = 1; // cin >> t; while (t--) solve(); }