#include <bits/stdc++.h>
using namespace std;

int p[100010],n,m;

int main()
{
    ifstream in("disjoint.in");
    ofstream out("disjoint.out");
    in>>n>>m;
    for(int i=1;i<=n;i++) p[i]=i;
    for(int i=1;i<=m;i++)
    {
        int x,y,q;
        in>>q>>x>>y;
        if(q==1) p[x]=p[y];
        if(q==2)
            if(p[x]==p[y])out<<"DA\n";
            else out<<"NU\n";
    }

    return 0;
}