#include <bits/stdc++.h>
using namespace std;

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

int vtati[100001], n, m, x, y, op;

int main()
{
    fin>>n>>m;
    for (int i=1; i<=n; i++)
        vtati[i] = i;
        
    for (int i=1; i<=m; i++){
        fin>>op>>x>>y;
        if (op == 1){
            int xi=x, aux;
            while (vtati[xi] != xi){
                xi = vtati[xi];
            }
            while (vtati[x] != x){
                aux = vtati[x];
                vtati[x] = xi;
                x = aux;
            }
            int yi=y;
            while (vtati[yi] != yi){
                yi = vtati[yi];
            }
            while (vtati[y] != y){
                aux = vtati[y];
                vtati[y] = yi;
                y = aux;
            }
            vtati[x] = y;
            
        } else {
            int xi=x;
            while (vtati[xi] != xi){
                xi = vtati[xi];
            }
            int aux;
            while (vtati[x] != x){
                aux = vtati[x];
                vtati[x] = xi;
                x = aux;
            }
            int yi=y;
            while (vtati[yi] != yi){
                yi = vtati[yi];
            }
            while (vtati[y] != y){
                aux = vtati[y];
                vtati[y] = yi;
                y = aux;
            }
            if (x==y){
                fout<<"DA"<<"\n";
            } else  
                fout<<"NU"<<"\n";
        }
    }

    return 0;
}