#include <fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int v[100002],n,m,t,x,y,i,j,z,a[100002],nr,g[100002];
int main()
{
    fin>>n>>m;
    for(i=1;i<=n;i++)
    {
        v[i]=i;
        g[i]=1;
    }
    for(i=1;i<=m;i++)
    {
        fin>>t>>x>>y;
        if(t==1)
        {
            nr=0;
            while(v[x]!=x)
            {
                nr++;
                a[nr]=x;
                x=v[x];
            }
            for(j=1;j<=nr;j++) v[j]=x;
            nr=0;
            while(v[y]!=y)
            {
                nr++;
                a[nr]=y;
                y=v[y];
            }
            for(j=1;j<=nr;j++) v[j]=y;
            if(g[x]>g[y])
            {
                v[y]=x;
                g[x]+=g[y];
            }
            else
            {
                v[x]=y;
                g[y]+=g[x];
            }
        }
        if(t==2)
        {
            nr=0;
            while(v[x]!=x)
            {
                nr++;
                a[nr]=x;
                x=v[x];
            }
            for(j=1;j<=nr;j++) v[j]=x;
            nr=0;
            while(v[y]!=y)
            {
                nr++;
                a[nr]=y;
                y=v[y];
            }
            for(j=1;j<=nr;j++) v[j]=y;
            if(x==y) fout<<"DA\n";
            else fout<<"NU\n";
        }
    }
    fin.close();
    fout.close();
    return 0;
}