#include<iostream>
#include<algorithm>
#include<unordered_map>
#include<queue>
#include<vector>
#include<cstring>
#include<cstdio>
#include<set>
#include<ctime>
#include<random>
#include<string>
#define dbg(x) cerr<<__LINE__<<':'<<#x<<" = "<<x<<'\n';
using namespace std;
typedef long long ll;
typedef long double ld;
ll p;
inline bool is_pfs(ll x){
	ll d=sqrt(x);
	return d*d==x;
}
int main(){
	#ifdef ABUKA
		freopen("abuka.in","r",stdin);
		freopen("abuka.out","w",stdout);
	#endif
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cin>>p;
	for(int i=1;i*i<=p;i++){
		if(is_pfs(p-i*i)){
			cout<<"Yes\n";
			return 0;
		}
	}
	cout<<"No\n";
	return 0;
}