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

#define pb push_back
#define dbg(x) cout << #x <<": " << x << "\n";
#define sz(x) ((int)x.size())

using ll = long long;

const string fn = "disjoint";
ifstream fin(fn + ".in");
ofstream fout(fn + ".out");

int n, m;
int t[100005];

void unionn(int x, int y) {
	t[y] = x;
}

int find(int x) {
	int rx = x, y;
	while (t[rx] != rx)
		rx = t[rx];
	while (t[x] != x) {
		y = t[x];
		t[x] = rx;
		x = y;
	}
	return rx;

}

int main() {

	fin >> n >> m;
	for (int i = 1; i <= n; ++i)
		t[i] = i;

	while (m--) {
		int op, x, y;
		fin >> op;
		fin >> x >> y;

		if (op == 1) {
			unionn(find(x), find(y));
		}
		else if (op == 2) {
			fout << (find(x) == find(y) ? "DA\n" : "NU\n");
		}
	}

	return 0;
}