#include <fstream>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
const int NMAX = 1e5 + 5;
int t[NMAX], sz[NMAX];
int rad(int x)
{
    if(t[x]!=x)t[x]=rad(t[x]);
    return t[x];
}
void un(int a,int b)
{
    a=rad(a);
    b=rad(b);
    if(a==b)return;
    if(sz[a]<sz[b])swap(a,b);
    t[b]=a;
    sz[a]+=sz[b];
}
int main()
{
    int n;
    int q;
    fin >> n >> q;
    for (int i = 1; i <= n; i++)
    {
       t[i]=i;
    }
    while (q--)
    {
        int op, x, y;
        fin >> op >> x >> y;
        if (op == 1)
        {
            un(x,y);
        }
        if (op == 2)
        {
            if(rad(x)==rad(y))fout<<"DA\n";
            else fout<<"NU\n";
        }
    }
}