#include <iostream>
#include <fstream>
#include <vector>
#include <stack>
#include <queue>
using namespace std;
ifstream f("disjoint.in");
ofstream g ("disjoint.out");
int n,m;
int tati[100001];
int inaltimi[100001];
int aflare(int nod)
{
    if(tati[nod] == nod)
        return nod;
    return aflare(tati[nod]);
}
void comprimare(int nod,int tata)
{
     if(tati[nod] == nod)
        return;
    comprimare(tati[nod],tata);
    tati[nod] = tata;
}
void unire(int nod1,int nod2)
{
    int tata1 = aflare(nod1);
    int tata2 = aflare(nod2);
    comprimare(nod1,tata1);
    comprimare(nod2,tata2);
    if(inaltimi[tata1]>inaltimi[tata2])
    {
        tati[tata2]= tati[tata1];
        inaltimi[tata2] = inaltimi[tata1];
    }
    else
    {
        tati[tata1]= tati[tata2];
        inaltimi[tata1] = inaltimi[tata2];
    }
}
void verificare(int nod1,int nod2)
{
    if(aflare(nod1)==aflare(nod2))
        g << "DA\n";
    else
        g<<"NU\n";
}
void citire()
{
    f >> n >> m;
    for(int i = 1;i<=n;i++)
        inaltimi[i] = 1,tati[i]=i;

    for(int i =1;i<=m;i++)
    {
        int c,x,y;
        f >> c >> x >> y;
        if(c==1)
        {
            unire(x,y);
        }
        else
            verificare(x,y);

    }
}
int main()
{
    citire();
}