#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pl = pair<ll,ll>;
using vl = vector<ll>;
#define rep(i,n) for(ll i=0;i<(ll)(n);++i)
#define reps(i,s,n) for(ll i=(s);i<(ll)(n);++i)
#define rep1(i,n) for(ll i=1;i<=(ll)(n);++i)
#define fi first
#define se second
#define pb push_back
#define eb emplace_back
#define be(v) (v).begin(),(v).end()
const long long INF = 1e18;
#ifdef DEBUG
#include <debug.hpp>
#endif

ll P;
void input(){
	cin>>P;
}
#ifdef DEBUG
void showall(){
	show(P);
}
#endif
bool logic(){
	for(ll i=1;i*i<=P;++i){
		for(ll j=i;j*j<=P;++j){
			if(i*i + j*j==P)return true;
		}
	}
	return false;
}
int main(){
	input();
	#ifdef DEBUG
	showall();
	cout << "--- Logic ---" << endl;
	#endif
	//ll ans=logic();
	//cout<<ans<<endl;
	if(logic())cout<<"Yes"<<endl;
	else cout<<"No"<<endl;
	//while(input())logic();
	return 0;
}
//cout << fixed << setprecision(9);