#include<iostream>
using namespace std;
int N,Z;
bool iss[1<<20];
main()
{
	cin>>N>>Z;
	if(N==1)
	{
		cout<<(Z==1?"No":"Yes")<<endl;
	}
	else if(N==2)
	{
		Z*=Z;
		for(int i=1;i*i<=Z;i++)iss[i*i]=true;
		for(int x=1;x*x<=Z;x++)
		{
			if(iss[Z-x*x])
			{
				cout<<"Yes"<<endl;
				return 0;
			}
		}
		cout<<"No"<<endl;
	}
	else cout<<"No"<<endl;
}