#include <fstream>

using namespace std;

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

int sef[100001];

int main()
{
    int n,m,i,tip,x,y,ii;
    cin>>n>>m;
    for(i=1;i<=n;i++)
        sef[i]=i;
    for(i=1;i<=m;i++)
    {
        cin>>tip>>x>>y;
        if(tip==1)
        {
            ///unesc clasa lui x cu clasa lui y
            if(sef[x]!=sef[y])
            {
                int aux=sef[y];
                for(ii=1;ii<=n;ii++)
                    if(sef[ii]==aux)
                        sef[ii]=sef[x];
            }
        }
        else
            if(sef[x]==sef[y])
                cout<<"DA"<<"\n";
            else
                cout<<"NU"<<"\n";
    }

    return 0;
}