#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
	cin.tie(nullptr)->sync_with_stdio(false);
	int m,c;
	cin >> m >> c;
	map<int,int>px;
	map<int,int>py;
	map<int,int>cx;
	map<int,int>cy;
	map<pair<int,int>,int>hm;
	for(int i = 0; i<m; i++){
		int x,y;
		cin >> x >> y;
		px[x]++;
		py[y]++;
	}
	for(int i = 0; i<c; i++){
		int x,y;
		cin >> x >> y;
		cx[x] = max(cx[x],0LL);
		cy[y] = max(cy[y],0LL);
		if(px[x] >=2 || py[y] >= 2)continue;
		hm[{x,y}] = 1;
		cx[x]++;
		cy[y]++;
	}
	int ans = 0;
	int mx = 0;
	int my = 0;
	for(auto [x,cnt]: cx){
		for(auto [y,cnt2]: cy){
			int freq = 0;
			if(py[y] == 1){
				freq+=cnt2;
			}
			if(px[x] == 1 ){
				freq+=cnt;
			}
			if(hm.count({x,y}) && px[x] == 1 && py[y] == 1)freq--;
			if(ans<freq){
				ans = freq;
				mx = x;
				my = y;
			}
		}
	}
	
	cout << mx << ' ' << my << '\n';
	cout << ans << '\n';
	return 0;
}