#include <iostream>
#include <fstream>
#include <vector>
#define nmax 100005

using namespace std;

int n, m, card[nmax], parent[nmax];
vector <int> G[nmax];

void set_value(){
    for(int i=1; i<=n; i++){
        parent[i] = i;
        card[i] = 1;
    }
}

void set_parent(int padre, int child){
        card[padre] += card[child];
        card[child] = 0;
        for(int i=1; i<=n; i++){
            if(parent[i] == child)
                parent[i] = padre;
        }
}


void solve(){
    int p, x, y;
    ifstream f("disjoint.in");
    ofstream g("disjoint.out");
    f >> n >> m;
    set_value();
    for(int i=1; i<=m; i++){
        f >> p >> x >> y;
        if(p == 1){
            if(card[x] >= card[y])
                set_parent(x, y);
            else
                set_parent(y, x);
        }
        if(p == 2){
            if(parent[x] == parent[y])
                g << "DA\n";
            else
                g << "NU\n";
        }
    }
}

int main()
{
    solve();
    return 0;
}