#include<fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int a[100002], fa[100002]; ///a=lungimea, fa= multimea
int main()
{
    int n,m,c,x,y;
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        a[i]=1; fa[i]=i;
    }
    for(int i=0;i<m;i++)
    {
        fin>>c>>x>>y;
        while(fa[x]!=x)
        {
            x=fa[x];
        }
        while(fa[y]!=y)
        {
            y=fa[y];
        }
        if(c==1)
        {
            if(a[x]<a[y])
            {
                fa[x]=y;
                a[x]+=a[y];
            }
            else
            {
                fa[y]=x;
                a[y]+=a[x];
            }
        }
        else
        {
            if(fa[x]==fa[y])
            {
                fout<<"DA"<<'\n';
            }
            else
            {
                fout<<"NU"<<'\n';
            }
        }
    }
    return 0;
}