#include <iostream>
#include <vector>
#include <fstream>
#include <algorithm>

using namespace std;

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

int main()
{
    int n, m;
    in>>n;
    vector<int> comp(n);
    in>>m;
    vector<vector<int>> nod_comp(n);
	
	for(int i = 0; i < n; i += 1) {
		comp[i] = i;
		nod_comp[i].push_back(i);
	}
    
    int cod, x, y;
    for(int i=0;i<m;i++)
    {
        in>>cod>>x>>y;
	    x--, y--;
        
        if(cod == 1)
        {
            if(nod_comp[comp[x]].size() < nod_comp[comp[y]].size())
            {
                for (auto j : nod_comp[x])
                {
                	comp[j] = y;
                	nod_comp[y].push_back(x);
                }
                nod_comp[x].clear();
            }
            else
            {
                for (auto j : nod_comp[y])
                {
                	comp[j] = x;
                	nod_comp[x].push_back(y);
                }
                nod_comp[y].clear();
            }
        }
        else if (cod == 2)
            {
                if (comp[x] == comp[y])
                    out << "DA\n";
                else
                    out << "NU\n";
            }
    }
    return 0;
}