#include <fstream>
#define NMax 100005
using namespace std;

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

int N,M,TT[NMax],RG[NMax];

void Unite(int x, int y)
{
    if(RG[x]<RG[y])
        TT[x] = y;
    if(RG[x]>RG[y])
        TT[y] = x;
    if(RG[x]==RG[y])
        {
            TT[y] = x;
            RG[x]++;
        }

}

int Father(int x)
{
    while(TT[x]!=x)
        x=TT[x];
    return x;
}

int main()
{
    fin>>N>>M;
    for(int i=1;i<=N;i++)
        TT[i] = i;
    while(M--)
    {
        int cod,x,y;
        fin>>cod>>x>>y;
        if(cod==1)
            Unite(Father(x),Father(y));
        if(cod==2)
            if(Father(x)==Father(y))
                fout<<"DA\n";
            else
                fout<<"NU\n";
    }
    return 0;
}