#include <iostream>
#include <fstream>
using namespace std;


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


int tata[100010];

int radacina(int x)
{
    if(tata[x]==-1)
        return x;
    int r=radacina(tata[x]);
    tata[x]=r;
    return r;
}

int main()
{
    int n,m,i,q,x,y;
    in>>n>>m;
    for(i=1;i<=n;++i)
        tata[i]=-1;
    for(i=1;i<=m;++i)
    {
        in>>q>>x>>y;
        if(q==2)
        {
            if(radacina(x)==radacina(y))
                out<<"DA\n";
            else
                out<<"NU\n";
        }
        else
        {
            tata[radacina(x)]=radacina(y);
        }
    }
    return 0;
}