#include using namespace std; #ifdef DEBUG_ #include #else #define dump(...) #endif using llint = long long int; #define FastIO cin.tie(nullptr), ios_base::sync_with_stdio(false); #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define out(msg) cout << (msg) << '\n' #define die(msg) \ do { \ cout << msg << endl; \ exit(0); \ } while (0) #define all(k) k.begin(), k.end() #define rall(k) k.rbegin(), k.rend() #define INFi 1 << 30 #define INFll 1LL << 60 template bool chmax(T& a, const T& b) { return ((a < b) ? (a = b, true) : (false)); } template bool chmin(T& a, const T& b) { return ((a > b) ? (a = b, true) : false); } vector pow_divisors(int n) { vector res; for (int i = 1; i * i <= n; ++i) { res.push_back(i * i); } return res; } int main() { FastIO; int p; cin >> p; vector divs = pow_divisors(p); int n = (int)divs.size(); for (int i = 0; i < n; ++i) { for (int j = i + 1; j < n; ++j) { if (divs[i] + divs[j] == p) { die("Yes"); } } } out("No"); }