#include <cstdio>
#include <map>
using namespace std;

int main()
{
	freopen("exam.in", "r", stdin);
	freopen("exam.out", "w", stdout);
	int N, M, s, t;
	map<int, int> hash;
	scanf("%d%d", &N, &M);
	for(int i = 0; i < N; i++) 
	{
		scanf("%d%d", &s, &t);
		hash[s] += t;
	}
	for(int i = 0; i < M; i++) 
	{
		scanf("%d%d", &s, &t);
		hash[s] += t;
	}
	for(map<int, int>::iterator it = hash.begin(); it != hash.end(); ++it)
	{
		if((*it).second > 119)
		{
			printf("%d\n", (*it).first);
		}
	}
	return 0;
}