#include <iostream>
#include <fstream>

using namespace std;

int multime[100001], h[100001];

int getSet(int x) {
    int result = x;
    while (result != multime[result]) {
        result = multime[result];
    }
    while (x != result) {
        int nextX = multime[x];
        multime[x] = result;
        x = nextX;
    }
    return result;
}

void unite(int x, int y) {
    int mX = getSet(x);
    int mY = getSet(y);
    if (mX == mY) return;
    if (h[mX] > h[mY]) {
        multime[mY] = mX;
    } else if (h[mY] > h[mX]) {
        multime[mX] = mY;
    } else {
        multime[mY] = mX;
        h[mX] += 1;
    }
}

int main()
{
    ifstream fin("disjoint.in");
    ofstream fout("disjoint.out");
    int n, m;
    fin >> n >> m;
    for (int i = 1; i <= n; ++i) {
        multime[i] = i;
        h[i] = 1;
    }
    for (int i = 1; i <= m; ++i) {
        int type, x, y;
        fin >> type >> x >> y;
        if (type == 1) {
            unite(x, y);
        } else {
            if (getSet(x) == getSet(y)) {
                fout << "DA\n";
            } else {
                fout << "NU\n";
            }
        }
    }
    return 0;
}