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

signed main()
{
    int n,m;
    cin>>n>>m;
    int i = 0 , j = 0;
    while(n--)//所有操作的结果直接弄成一个数
    {
        int x,y;
        cin>>x>>y;
        i = i + x;
        j = j + y;
    }
    while(m--)
    {
        int x,y;
        cin>>x>>y;
        x = x + i;
        y = y + j;
        cout<<x<<" "<<y<<endl;
    }
    return 0;
}