> #include <iostream.h>
> int n;
> long int x,y;
> void main()
> {
> 	cin>>n;
> 	for(int i=0;i<n;i++)
> 	{
> 		cin>>x>>y;
> 		if(x!=y&&(x-2)!=y)
> 			cout<<"No Number"<<endl;
> 		else
> 			if(x%2==0)
> 				cout<<x+y<<endl;
> 			else
> 				if(x%2==1)
> 					cout<<x+y-1;
> 	}
> }
>