#include <bits/stdc++.h>
#define NMAX 100000

using namespace std;

ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

int n, m, op, x, y;
vector<int> rad(NMAX + 2), sz(NMAX + 2);

int Find(int x) {
    if (x == rad[x]) {
        return x;
    }
    return rad[x] = Find(rad[x]);
}

void Union(int x, int y) {
    if (sz[x] < sz[y]) {
        swap(sz[x], sz[y]);
    }
    sz[x] += sz[y];
    rad[y] = x;
}

int main() {
    ios_base::sync_with_stdio(false);
    fin.tie(NULL);
    fout.tie(NULL);

    fin >> n >> m;
    for (int i = 1; i <= n; i++) {
        rad[i] = i;
        sz[i] = 1;
    }

    while (m--) {
        fin >> op >> x >> y;
        if (op == 1) {
            if (Find(x) != Find(y)) {
                Union(x, y);
            }
        }
        else {
            fout << (Find(x) == Find(y) ? "DA" : "NU") << '\n';
        }
    }
    return 0;
}