#include <fstream>

using namespace std;

ifstream cin("disjoint.in");
ofstream cout("disjoint.out");

const int N = 1e5 + 9;

int t[N], nr[N];

int radacina(int x) {
    if (t[x] == 0) {
        return x;
    }
    t[x] = radacina(t[x]);
    return t[x];
}

void reuniune(int x , int y) {
    int rx = radacina(x), ry = radacina(y);
    if (nr[rx] < nr[ry]) {
        nr[rx] += nr[ry];
        t[rx] = ry;
    }
    else {
        nr[ry] += nr[rx];
        t[ry] = rx;
    }
}

bool comun(int x, int y) {
    return (radacina(x) == radacina(y));
}

int main() {
    int n, m, x, y, op;
    cin >> n >> m;
    for (int i = 1; i <= n; ++i) {
        t[i] = 0;
        nr[i] = 1;
    }
    for (int i = 0; i < m; ++i) {
        cin >> op >> x >> y;
        if (op - 1) {
            if (comun(x, y)) {
                cout << "DA\n";
            }
            else {
                cout << "NU\n";
            }
        }
        else {
            reuniune(x, y);
        }
    }
    return 0;
}