#include<iostream>
using namespace std;
int main()
{
    int t;
    cin>>t;

    while(t--)
    {
        int n,m;
        cin>>n>>m;

        int x[n],y[m];
        for(int i=0; i<n; i++)
        {
            cin>>x[i];
        }
        for(int i=0; i<m; i++)
        {
            cin>>y[i];
        }

        int can = 1;

        for(int j=1; j<=31; j++)
        {
            int first = j/10;
            int second = j%10;

            int found1 = 1;
            for(int i=0; i<n; i++)
            {

                if(x[i]==first )
                {
                    found1=0;
                    break;
                }
            }
            int found2 = 1;
            for(int i=0; i<m; i++)
            {

                if(y[i]==second )
                {
                    found2=0;
                    break;
                }
            }
            if(found1!=0 || found2!=0)
            {
                can = 0;
                break;
            }

        }



        if(can==1)
        {
            cout<<"YES"<<endl;
        }
        else
        {
            cout<<"NO"<<endl;
        }

    }
}