#include <fstream>

using namespace std;

const int NMAX=100000;
int t[NMAX +5],h[NMAX +5];
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int FindRoot(int x)
{
    while(x != t[x])
        x=t[x];

    return x;
}
void UnionSet(int x,int y) //x si y sunt radacinile a 2 arbori disjuncti
{
    if(h[x]>h[y]) //y se leaga de x
            t[y]=x;
    else // se leaga x de y
        if(h[y]>h[x])
            t[x]=y;
        else // se leaga y de x
        {
            t[y]=x;
            h[x]++;
        }

}
int main()
{
    int n,m,i,x,y,tx,ty,p;
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        t[i]=i;
        h[i]=1;
    }
    for(i=1;i<=m;i++)
    {
        fin>>p;
        fin>>x>>y;
        tx=FindRoot(x);
        ty=FindRoot(y);
        if(p==1)
        {
            if(tx!=ty)
                UnionSet(tx,ty);
        }
        else
        {
            if(tx==ty)
                fout<<"DA"<<endl;
            else
                fout<<"NU"<<endl;
        }
    }
    return 0;
}