#include <iostream>
#include <fstream>


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

const int MAX=1e5;
int n,i,T[MAX+5],R[MAX+5],type,x,y,q;

int root(int x)
{
    if (T[x]==0)
        return x;

    return T[x]=root(T[x]);
}

void unite(int x, int y)
{
    int rx=root(x),ry=root(y);

    if (rx==ry)
        return;

    if (R[rx]>R[ry])
    {
        R[rx]+=R[ry];
        T[ry]=rx;
    }
    else
    {
        R[ry]+=R[rx];
        T[rx]=ry;
    }
}


int main()
{
    ios_base::sync_with_stdio(false);
    fin.tie(0); fout.tie(0);

    fin>>n>>q;

    for (i=1; i<=n; i++)
        R[i]=1;

    while (q--)
    {
        fin>>type>>x>>y;

        if (type==1)
            unite(x,y);
        else
        {
            if (root(x)==root(y))
                fout<<"DA"<<'\n';
            else
                fout<<"NU"<<'\n';
        }
    }


    return 0;
}