#include <bits/stdc++.h>

using namespace std;

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

int n,m,v[100005],caz,x,y;

int main()
{

    fin>>n>>m;
    for(int i=1; i<=n; i++)
        v[i]=i;
    for(int h=1; h<=m; h++)
    {
        fin>>caz>>x>>y;
        if(caz==1)
        {
            v[y]=x;
        }
        else
        {
            while(v[x]!=x)
            {
                x=v[x];
            }
            while(v[y]!=y)
            {
                y=v[y];
            }
            if(x==y)
                fout<<"DA"<<'\n';
            else
                fout<<"NU"<<'\n';
        }
    }
    return 0;
}