#include <bits/stdc++.h>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int n,m,x,y,tip;
int v[1000001];
vector<int>multimi[1000001];
int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        v[i]=i;
        multimi[i].push_back(i);
    }
    for(int i=1;i<=m;i++)
    {
        fin>>tip>>x>>y;
        if(tip==1)
        {
            if(multimi[v[x]].size()>multimi[v[y]].size())
                swap(x,y);
            int val=multimi[v[x]].size();
            int aux=v[x];
            for(int j=0;j<val;j++)
            {
                multimi[v[y]].push_back(multimi[aux][j]);
                v[multimi[aux][j]]=v[y];
            }
            multimi[aux].clear();
        }
        if(tip==2)
        {
            if(v[x]==v[y])
                fout<<"DA";
            else
                fout<<"NU";
            fout<<'\n';
        }
    }
    return 0;
}