#include<bits/stdc++.h>
using namespace std;
using ll=long long;

int main(){
  ll p;
  cin>>p;
  bool ok=false;
  for(ll i=1;i*i<=p;i++){
    for(ll j=1;j*j<=p;j++){
      if(i*i+j*j==p){
        ok=true;
      }
    }
  }
  if(ok){
    cout<<"Yes"<<endl;
  }else{
    cout<<"No"<<endl;
  }
}