#include <bits/stdc++.h>
using namespace std;
vector<int>parent;
vector<int>rnk;
int find_set(int a)
{
    if(parent[a] != a)
        parent[a] = find_set(parent[a]);
    return parent[a];
}
void union_set(int a, int b)
{
    a = find_set(a);
    b = find_set(b);
    if(a != b)
    {
        if(rnk[a] < rnk[b])
            swap(a,b);
        parent[b] = a;
        if(rnk[a] == rnk[b])
            rnk[a]++;
    }
}
int main()
{
    ifstream fin("disjoint.in");
    ofstream fout("disjoint.out");

    int x, i, j, q;

    fin >>n>>m;
    parent.resize(n+1);
    rnk.resize(n+1);
    for(i = 1; i <= n; i++)
    {
        parent[i] = i;
        rnk[i] = 0;
    }
    for(x = 0; x < m; x++)
    {
        fin >>q>>i>>j;
        if(q == 1)
        {
            union_set(i,j);
        }
        else
        {
            if(find_set(i) != find_set(j))
                fout <<"NU"<<"\n";
            else fout <<"DA"<<"\n";
        }
    }
    return 0;
}