#include <fstream>

using namespace std;

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

int tata[100001];

int sef(int x)
{
    if(tata[x]==x)
        return x;
    else
        return tata[x]=sef(tata[x]);

}
void unire(int x, int y)
{
    int s1=sef(x);
    int s2=sef(y);
    tata[s2]=s1;
}
int main()
{   int n, m, i, ii, x, y, tip;
    cin>>n>>m;
    for(i=1; i<=n; i++)
        tata[i]=i;
    for(i=1; i<=m; i++)
    {
        cin>>tip>>x>>y;
        if(tip==1)
            unire(x, y);
        else
        {
            int s1=sef(x);
            int s2=sef(y);
            if(s1==s2)
                cout<<"DA"<<'\n';
            else
                cout<<"NU"<<'\n';
        }
    }
    return 0;
}