#include <bits/stdc++.h>
#define NMAX 100005

using namespace std;

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

int t[NMAX];

void uneste(int x, int y);
int radacina(int x);

int main()
{
    int n, m, i, a, x, y;

    fin >> n >> m;
    for(i = 1; i <= n; i++) t[i] = i;

    while(m--)
    {
        fin >> a >> x >> y;

        if(a == 1) uneste(x, y);
        else
        {
            if(radacina(x) == radacina(y)) fout << "DA" << '\n';
            else fout << "NU" << '\n';
        }
    }

    return 0;
}

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

int radacina(int x)
{
    while(t[x] != x) x = t[x];

    return x;
}