#include <iostream>
#include <fstream>

using namespace std;

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

int n,m;

int parent[100002];

int x,y,code;

//func that recieves random node and tries to find the root of the graph using the parent array
int find_root (int x) {
    int root = x;

    //within the parent array, if the parent of the curent number is 0 it means we have found the root, as it has no parent
    while (parent[root] > 0) {
        root = parent[root];
    }
    //the root variable will hold the value of the root node at the end of this loop

    //for optimization we shall assign every node the parent value of the root
    while (parent[x] > 0) {
        parent[x] = root;
        x = parent[x];
    }
    return root;

}

//func to join 2 graphs. we are going to assign one of the roots as the parent of the other
void join_graphs (int x, int y) {
    parent[find_root(y)] = find_root(x);
}

//fucntion to check if two numbers belong to the same set or better said, if two nodes belong in the same graph
bool check_condition (int x, int y) {
    if (find_root(x) == find_root(y)) 
        return true;
    else 
        return false;
}

int main () {

    fin >> n >> m;
    
    //because every set represent a graph with one node, it means that at the beginning every node is a root of it's own graph
    for (int i=1; i<=n; i++) {
        parent[i] = -1;
    }

    for (int i=1; i<=m; i++) {
        fin >> code >> x >> y;

        if (code == 1) 
            join_graphs (x,y);
        else
            if (check_condition(x,y))
                fout << "DA\n";
            else
                fout << "NU\n";
    }

    return 0;
}