#include <iostream>
#include <fstream>

using namespace std;

int findset(int *t,int *h,int x)
{
    if (t[x]==0) return x;
    t[x]=findset(t,h,t[x]);
    return t[x];
}

void uniune(int *t,int *h,int x,int y)
{
    if (h[x]<h[y]) t[findset(t,h,x)]=findset(t,h,y);
        else t[findset(t,h,y)]=findset(t,h,x);
    if (h[x]==h[y]) h[x]++;
}

int main()
{
    ifstream f("disjoint.in");
    int a,b,c,*t,n,m,*h;
    f>>n>>m;
    t=new int [n+1];
    h=new int [n+1];
    for (int i=1;i<=n;i++) h[i]=t[i]=0;
    ofstream g("disjoint.out");
    for (int i=0;i<m;i++)
    {
        f>>a>>b>>c;
        //for (int i=1;i<=n;i++) cout<<findset(t,i)<<" ";
        //cout<<endl;
        if (a==1) uniune(t,h,b,c);
            else if (a==2)
            {
                if (findset(t,h,b)==findset(t,h,c)) g<<"DA\n";
                                else g<<"NU\n";
            }
    }
    return 0;
}