#include<fstream>
#include<vector>
#define MAXN 100020
using namespace std;

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

int n, m;
int rang[MAXN], root[MAXN];

int Find(int x);
void Union(int x, int y);

int main()
{
    is >> n >> m;
    //os << n << " " << m;
    for(int i = 1; i <= n; ++i)
    {
        rang[i] = 1;
        root[i] = i;
    }
    int x, y, op;
    for(int i = 1; i <= m; ++i)
    {
        is >> op >> x >> y;
        if(op == 1)
        {
            Union(Find(x) ,Find(y));

        }
        else
        {
            if(Find(x) == Find(y))
            {
                os << "DA" << '\n';
                //os << Find(x) << ' ' << Find(y) << '\n';
            }
            else
                os << "NU" << '\n';
        }

    }
    is.close();
    os.close();
    return 0;
}

int Find(int x)
{
    int rt;
    for(rt = x; root[rt] != rt; rt = root[rt])
    {}
    int y;
    while(root[x] != x)
    {
        y = root[x];
        root[x] = rt;
        x = y;
    }
    return rt;
}

void Union(int x, int y)
{
    if(rang[x] > rang[y])
    {
        root[y] = x;
    }
    else
        root[x] = y;
    if(rang[x] == rang[y]) rang[y]++;

}