#include<iostream> 
#include<vector>
using namespace std;

int main()
{
	int m, n;
	cin >> m >> n;
	vector<vector<int> > arr(n);
	for (int i = 0; i < n; i++)
	{
		int k;
		while (cin >> k)
		{
			arr[i].push_back(k);
			if (cin.get() == '\n')
				break;
		}
	}
	for (int j = 0; j < n; j++)
	{
		if (arr[j][0] == 2)
		{
			for (int k = 0; k < n; k++)
			{
				if (arr[k][1] == arr[j][1] && arr[k][2] == arr[j][2] && arr[k][0] == 1)
					cout << arr[k][3]<<endl;
			}
		}
	}
}