#include <bits/stdc++.h>

using namespace std;

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

void usain_bolt()
{
    ios::sync_with_stdio(false);
    fin.tie(0);
}

const int N = 1e5 + 5;

int Size[N], parent[N];

void make_set(int k)
{
    Size[k] = 1;
    parent[k] = k;
}

int find_set(int k)
{
    if(parent[k] == k) {
        return k;
    }
    return parent[k] = find_set(parent[k]);
}

int union_sets(int a, int b)
{
    a = find_set(a), b = find_set(b);
    if(a != b) {
        if(Size[b] > Size[a]) {
            swap(a, b);
        }
        parent[b] = a;
        Size[a] += Size[b];
    }
}

int main()
{
    usain_bolt();

    int n, m;

    fin >> n >> m;
    for(int i = 1; i <= n; ++i) {
        make_set(i);
    }
    for(int i = 1; i <= m; ++i) {
        int type, x, y;

        fin >> type >> x >> y;
        if(type == 1) {
            union_sets(x, y);
        }
        else {
            if(find_set(x) != find_set(y)) {
                fout << "NU\n";
            }
            else {
                fout << "DA\n";
            }
        }
    }
    return 0;
}