#include <fstream>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int aux,r1,r2,x,y,h[100001],t[100001],n,m,i,p;
int main()
{
    fin>>n>>m;
    for(i=1; i<=n; i++)
    {
        h[i]=1;
        t[i]=i;
    }
    for(i=1; i<=m; i++)
    {
        fin>>p>>x>>y;;
        r1=x;
        r2=y;
        while(r1!=t[r1])r1=t[r1];
        while(r2!=t[r2])r2=t[r2];
        if(p==2)
        {
            if(r1==r2)fout<<"DA";
            else fout<<"NU";
            fout<<'\n';
            while(x!=r1)
            {
                aux=t[x];
                t[x]=r1;
                x=aux;
            }
            while(y!=r2)
            {
                aux=t[y];
                t[y]=r2;
                y=aux;
            }
        }
        else
        {
            if(h[r1]>h[r2]) t[r2]=r1;
            else
            {
                t[r1]=r2;
                if(h[r1]==h[r2])h[r2]++;
            }
        }
    }
    return 0;
}