#include <bits/stdc++.h>
using namespace std;

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

vector<vector<int>> multimi;
vector<int> multime;

int main()
{
    int n,m,op,x,y;
    fin>>n>>m;
    multime.resize(n+1);
    multimi.resize(n+1);
    for(int i=1; i<=n; i++)
    {
        multime[i] = i; // initializam multimile cu elementul propriu
        multimi[i].push_back(i);
    }

    for(int i=1; i<=m; i++)
    {
        fin>>op>>x>>y;
        if(op == 1)
        {
            int mult1 = multime[x];
            int mult2 = multime[y];
            for(int j=0; j<multimi[mult2].size(); j++)
            {
                multimi[mult1].push_back(multimi[mult2][j]);
                multime[multimi[mult2][j]] = mult1;
            }
            multimi[mult2].clear();
        }
        else
        {
            if(multime[x] == multime[y])
                fout<<"DA"<<'\n';
            else
                fout<<"NU"<<'\n';
        }
    }

    return 0;
}