#include <fstream>
using namespace std;
ifstream in ("disjoint.in");
ofstream out ("disjoint.out");

int main()
{
    int m, n, a, b, c, v[100001], i, j;
    in >> m >> n;
    for(i=1; i<=m; i++)
    {
        v[i]=i;
    }
    for(i=1; i<=n; i++)
    {
        in >> a >> b >> c;
        if(a==1)
        {
            for(j=1; j<=m; j++)
            {
                if(v[j]==v[c] && c!=j)
                {
                    v[j]=v[b];
                }
            }
            v[c]=v[b];
        }
        else
        {
            if(v[c]==v[b])
            {
                out << "DA" << "\n";
            }
            else
            {
                out << "NU" << "\n";
            }
        }
    }

    return 0;
}