#include using namespace std; #define For(i, a, b) for(int i = (a); i < (b); i++) #define rep(i, n) For(i, 0, n) #define rFor(i, a, b) for(int i = (a); i >= (b); i--) #define ALL(v) (v).begin(), (v).end() #define rALL(v) (v).rbegin(), (v).rend() #define SZ(v) ((int)(v).size()) using lint = long long; using ld = long double; int INF = 2000000000; lint LINF = 1000000000000000000; struct SetupIo { SetupIo() { ios::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15); cerr << fixed << setprecision(15); } } setupio; // a <- max(a, b) template bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } // a <- min(a, b) template bool chmin(T &a, const T &b) { if (a > b) { a = b; return true; } return false; } int main() { int x; cin >> x; cout << (x == 0 ? "Yes\n" : "No\n"); }