#include <iostream>
#include <fstream>
#include <stdlib.h>
using namespace std;

void Union (int x, int y, int *size, int *parent) {
    if (size[parent[x]] > size[parent[y]]) {
        parent[y] = x;
        size[x] += size[y];
    }
    else {
        parent[x] = y;
        size[y] += size[x];
    }
}

int Find (int x, int *parent) {
    int x_copy = x;
    while (parent[x] > 0)
        x = parent[x];
    while (parent[x_copy] > 0) {
        int x_prec = x_copy;
        x_copy = parent[x_copy];
        parent[x_prec] = x;
    }
    return x;
}

int main() {
    ifstream in;
    in.open("disjoint.in");
    ofstream out;
    out.open("disjoint.out");
    int n, m, cod, nr1, nr2, i;
    int *parent, * size;
    in >> n >> m;
    parent = (int*)calloc(n + 1 , sizeof(int));
    size = (int*)malloc(n + 1 * sizeof(int));
    for (i = 1; i <= n; i++)
        size[i] = 1;
    for (i = 0; i < m; i++) {
        in >> cod >> nr1 >> nr2;
        if (cod == 1)
            Union(nr1,nr2,size,parent);
        else {
            if (Find(nr1,parent) == Find(nr2,parent))
                out << "DA" << "\n";
            else
                out << "NU" << "\n";
        }
    }
    in.close();
    out.close();
    free(parent);
    free(size);
    return 0;
}