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

#define N 100001

ifstream f("disjoint.in");
ofstream g("disjoint.out");
int n,m;
int rad[N];
vector <int> q[N];

void cclear(int nod,int newt)
{
    rad[nod]=newt;
    q[newt].push_back(nod);
    for(int i=0;i<q[nod].size();++i)
    {
        rad[q[nod][i]]=newt;
        q[newt].push_back(q[nod][i]);
    }
}

int main()
{
    f>>n>>m;
    int i;
    int c,x,y;
    for(i=1;i<=n;i++)
        rad[i]=i;
    for(i=1;i<=m;i++)
    {
        f>>c>>x>>y;
        if(c==1)
        {
            if(q[rad[x]].size()>q[rad[y]].size())
            {
                cclear(rad[y],rad[x]);

            }
            else
            {
                cclear(rad[x],rad[y]);
            }
        }
        else
        {
            if(rad[x]==rad[y])
                g<<"DA\n";
            else
                g<<"NU\n";
        }
    }
    return 0;
}