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

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

int n, qu, t[100002];

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

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

void Citire()
{
    int i, x, y, cod;
    fin >> n >> qu;
    for (i = 1; i <= qu; i++)
    {
        fin >> cod >> x >> y;
        if (cod == 1) Union(x, y);
        else Find(x) == Find(y) ? fout << "DA\n" : fout << "NU\n";
    }
}

int main()
{
    Citire();
    fin.close();
    fout.close();
    return 0;
}