#include <iostream>
#include <fstream>
#include <vector>
using namespace std;

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

int n, m;
vector <int> h, t, nr;

void init() {
    h = vector <int> (n + 1);
    t = vector <int> (n + 1);
    for(int i = 1; i <= n; i ++)
        t[i] = i;
}

int getRoot(int node) {
    if(node == t[node])
        return node;
    int root = getRoot(t[node]);
    t[node] = root;
    return t[node];
}

bool sameConnectedComponents(int x, int y) {
    return getRoot(x) == getRoot(y);
}

void unite(int x, int y) {
    int rootX = getRoot(x);
    int rootY = getRoot(y);
    if(rootX == rootY)
        return;
    if(h[rootX] < h[rootY])
        t[rootY] = rootX;
    else {
        t[rootX] = rootY;
        if(h[rootX] == h[rootY])
            ++h[rootY];
    }
}

void solve() {
    fin >> n >> m;
    init();
    int x, y, op;
    for(int i = 1; i <= m; i ++) {
        fin >> op >> x >> y;
        if(op == 1)
            unite(x, y);
        else
            fout << (sameConnectedComponents(x, y) ? "DA\n" : "NU\n");
    }
}

int main() {
    solve();
}