#include </Library/Developer/CommandLineTools/usr/include/c++/v1/bits/stdc++.h>

using namespace std;

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

int root[100001];
int card[100001];

int rooti(int x){
    if(root[x] == x) return x;
    root[x] = rooti( root[x] );
    return root[x];
}

int main(){
    //1.
    int n, m;

    //2.
    fin >> n >> m;

    //cout << "n = " << n << " m = " << m << endl;

    //3.
    for(int i = 1; i <= n; i++){
        root[i] = i;
        card[i] = 1;
    }
    //cout << endl << endl;
    //cout << "n = " << n << " m = " << m << endl;
    for(int i = 0; i < m; i++){
        int op, x, y; fin >> op >> x >> y;
        //cout << "x = " << x << " y = " << y << " root[x] = " << rooti(x) << endl;
        if(op == 1){
            if(card[x] < card[y]) swap(x, y);
            card[x] += card[y];
            root[y] = x;
        }else{
            int r1 = rooti(x);
            int r2 = rooti(y);

            if(r1 == r2) fout << "DA" << endl;
            else fout << "NU" << endl;
        }
    }


    return 0;
}