#include using namespace std; #define rep(i,n) for (int (i)=(0);(i)<(int)(n);++(i)) using ll = long long; using P = pair; using namespace std; template void vin(vector& v, int n) { v.resize(n); for (int i = 0; i < n; ++i) { cin >> v[i]; } } int main() { unsigned long long N; cin >> N; unsigned long long n = (sqrt(8ULL*N+1)-1ULL)/2ULL; ll tmp = n; unsigned long long t = n-1000ULL; if (tmp - 1000 < 0) t = 0; for (unsigned long long tmp = t; tmp<=(n+1000ULL); ++tmp) { unsigned long long t1 = tmp, t2 = tmp+1; if (tmp%2ULL == 0ULL) t1 /= 2ULL; else t2 /= 2ULL; if (t1*t2 == N) { cout << "YES" << endl; cout << (ll)tmp << endl; return 0; } } cout << "NO" << endl; return 0; }