#include <fstream>
#include <algorithm>
#include <cstring>
#define nmax 100001
using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");

int tata[nmax], h[nmax], c[nmax], n, m, op, x, y;


int rad(int x)
{
    if(tata[x]!=0)
        return rad(tata[x]);
    return x;
}


void unire(int x, int y)
{
    int rx = rad(x);
    int ry = rad(y);
    if(rx==ry)
        return;
    else
    {
        if(h[rx]>h[ry]) /// unific arborele mic de cel mare
        {
            tata[ry]=rx;
        }
        else
        {
            tata[rx]=ry;
            if(h[rx]==h[ry])
                h[ry]++;
        }
    }
}


int main()
{

    cin>>n>>m;
    while(m--)
    {
        cin>>op>>x>>y;
        if(op==1)
        {
            unire(x,y);
        }
        if(op==2)
        {
            if(rad(x)==rad(y))
                cout<<"DA"<<'\n';
            else
                cout<<"NU"<<'\n';
        }
    }
}