#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main()
{
	int p;
	cin >> p;
	bool ok = false;
	for(int i=1;i*i<=p;i++)
	{
		for(int j=1;j*j<=p;j++)
		{
			ok |= (i*i + j*j == p);
		}
	}
	cout << (ok ? "Yes" : "No") << endl;
	return 0;
}