#include using namespace std; using ll = long long; int main(){ cin.tie(nullptr); ios::sync_with_stdio(false); ll p; cin>>p; bool ok = false; set s; for(ll i = 1;i*i<=p;i++) s.insert(i*i); for(ll i = 1;i*i<=p;i++){ ll j = p - i * i; if(s.count(j)) ok = true; } if(ok) cout<<"Yes\n"; else cout<<"No\n"; }