#include <fstream>

using namespace std;

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

int n, m, v[100005], x, y, rx, ry, t;

int rad(int p){
    while(v[p] > 0){
        p = v[p];
    }
    return p;
}

int main()
{
    fin>>n>>m;
    for(int i = 1; i <= n; i++){
        v[i] = -1;
    }
    for(int i = 1; i <= m; i++){
        fin>>t>>x>>y;
        rx = rad(x);
        ry = rad(y);
        if(t == 2){
            if(rx == ry){
                fout<<"DA\n";
            }
            else{
                fout<<"NU\n";
            }
        }
        else{
            if(rx != ry){
                if(v[rx] < v[ry]){
                    v[rx] += v[ry];
                    v[ry] = rx;
                }
                else{
                    v[ry] += v[rx];
                    v[rx] = ry;
                }
            }
        }
    }
    return 0;
}