#include <fstream>
using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int m,n,tata[100001],v[100001];
int radacina (int x)
{
    while(tata[x]!=x)
        x=tata[x];
    return x;
}
int main()
{
    int r1,r2;
    int o,x,y;
    cin>>n>>m;
    for(int i=1;i<=n;i++)
        tata[i]=i;
    for(int i=1;i<=m;i++)
    {
        cin>>o>>x>>y;
        if(o==1)
        {
            r1=radacina(x);
            r2=radacina(y);
            if(r1!=r2)
            {
                if(v[r1]>v[r2])
                    tata[r2]=r1;
                else
                    if(v[r2]>v[r1])
                        tata[r1]=r2;
                    else
                        tata[r1]=r2,v[r1]++;
            }


        }
        if(o==2)
        {
            r1=radacina(x);
            r2=radacina(y);
            if(r1==r2)
                cout<<"DA\n";
            else
                cout<<"NU\n";
        }
    }
    return 0;
}