#include <iostream>
#include <fstream>
using namespace std;
void unire(int x, int y);
int sef(int x);

int tata[100001];
int main()
{
    ifstream in("disjoint.in");
    ofstream out("disjoint.out");
    int x, y, i, n, m, cod;
    in >> n >> m;
    for(i = 1; i <= n; i++)
    {
        tata[i] = i;
    }
    for(i = 1; i <= m; i++)
    {
        in >> cod >> x >> y;
        if(cod == 1)
        {
            unire(x, y);
        }
        if(cod == 2)
        {
            int a = sef(x);
            int b = sef(y);
            if(a == b)
            {
                out << "DA" << endl;
            }
            else
            {
                out << "NU" << endl;
            }
        }
    }
    return 0;
}

void unire(int x, int y)
{
    int sefx = sef(x);
    int sefy = sef(y);
    tata[sefy] = sefx;
}
int sef(int x)
{
    if(tata[x] == x)
    {
        return x;
    }
    else
    {
        return tata[x] = sef(tata[x]);
    }
}