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


int main()
{
    int n,i,j,k,arr[60],brr[60],m,a,sum1,sum2,b,c,d,t;
    cin>>t;
    while(t--)
    {
        cin>>n>>m;
        sum1=0,sum2=0;
        double avg1,avg2;
        for(i=0;i<n-1;i++)
        {
            cin>>arr[i];
            sum1+=arr[i];
        }
        for(i=0;i<m;i++)
        {
            cin>>brr[i];
            sum2+=brr[i];
        }
        avg1=ceil((double)sum1/(double)(n-1));
        avg2=floor((double)sum2/(double)(m));
        cout<<avg2+1<<" "<<avg1-1<<endl;
    }
    return 0;
}