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

using namespace std;

ifstream fin("disjoint.in");
oftream fout("disjoint.out");
vector<int> t;

int Find(int x) {
	int rad = x, y;
	while(t[rad] != 0)
		rad = t[rad];
	while(x != rad) {
		y = t[x];
		t[x] = rad;
		x = y;
	}
	return rad;
}

void Union(int x, int y) {
	t[x] = y;
}

int main()
{
    int n, m; fin >> n >> m;
    t.resize(n + 1);
    
    for(int i = 0; i <= n; ++i)
        t[i] = 0;
    
    for(int i = 0; i < m; ++i) 
    {
        int c, x, y; fin >> c >> x >> y;
        
        if(c == 1) 
        {
            int tata_x = Find(x), tata_y = Find(y);
            if(tata_x != tata_y)
                Union(tata_x, tata_y);
        }
        else
            fout << (Find(x) == Find(y) ? "DA\n" : "NU\n");
    }
    
    return 0;
}