hdu acm steps 2.2.4

#include<iostream>
using namespace std;
int main()
{
	int t;
	int m,n;
	cin>>t;
	while(t--)
	{
		cin>>m>>n;
		if(m==1||n==1)
			printf("NO\n");
		else
		{
			if(m%2==0)
			{
				if(n%2==1)
					printf("NO\n");
				else
					printf("YES\n");

			}
			if(m%2==1)
			{
				if(n%2==0)
					printf("NO\n");
				else
					printf("YES\n");
					
			}
		}

	}
	return 0;
}