#include <iostream>

#include <fstream>

using namespace std;

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

const int N=100001;
int nr[N],t[N];

int radacina(int x)
{
    if(t[x]==0)
    {
        return x;
    }
    t[x]=radacina(t[x]);
    return t[x];
}

void reuniune (int x, int y)
{
    int rx=radacina(x);
    int ry=radacina(y);
    if(nr[rx]<nr[ry])
    {
        t[rx]=ry;
        nr[ry]+=nr[rx];
    }
    else
    {
        t[ry]=rx;
        nr[rx]+=nr[ry];
    }
}

bool interogare(int x, int y)
{
    return(radacina(x)==radacina(y));
}

int main()
{
    int n, m;
    in >> n >> m;
    for(int i = 0; i < m; i++){
        int p, x, y;
        in >> p >> x >> y;
        if(p == 1){
            reuniune(x, y);
        }
        if(p == 2){
            if(interogare(x, y)){
                out << "DA\n";
            }
            else
            {
                out << "NU\n";
            }
        }
    }
    in.close();
    out.close();
    return 0;
}