#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define pp pop_back

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

int const lim=100001;
int n,v[lim],k;
vector < int > c[lim];

void unire(int a, int b)
{
    int m1 = v[a], m2 = v[b];
    for(int i=0;i<c[m2].size();i++)
    {
        c[m1].pb(c[m2][i]);
        v[c[m2][i]]=m1;
    }
}

int main()
{
    in>>n>>k;
    for(int i=1;i<=n;i++)
        {
            c[i].pb(i);
            v[i]=i;
        }

    for(int i=1;i<=k;i++)
        {
            int x,y,z;
            in>>x>>y>>z;
            if(x==1)
                unire(y,z);
                else
                    if(v[y]==v[z]) out<<"DA"<<'\n';
                else out<<"NU"<<'\n';
        }
}