#include <fstream>
using namespace std;

const int N = 1 + 1e6;
const char feedback[][3] = { "NU", "DA" };

class Pmd{
    int T[N];

public:
    void init(int sizeMax){
        for (int i = 1 ; i <= sizeMax ; i++)
            T[i] = i;
    }

    inline int root(int x){
        while (T[x] != x)
            x = T[x];
        return x;
    }

    inline bool inSameSet(int x, int y){
        return root(x) == root(y);
    }

    void merge(int x, int y){
        T[ root(y) ] = root(x);
    }
};

Pmd P;

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

int main(){
    int n, nrQ, tip, x, y;

    in >> n >> nrQ;
    P.init(n);

    while (nrQ--){
        in >> tip >> x >> y;

        if (tip == 1)
            P.merge(x, y);
        else
            out << feedback[ P.inSameSet(x, y) ] << '\n';
    }

    return 0;
}