#include <fstream>
#include <vector>
using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int tip[100005],cnt[100005];
int parinte(int u)
{
    while(tip[u]!=u)
       u=tip[u];
    return u;
}
void join(int a, int b)
{
    a=parinte(a),b=parinte(b);
    if (a!=b)
        if (cnt[a]>cnt[b])
            swap(a, b);
    tip[b]=a;
    cnt[a]+=cnt[b];
}
int main()
{
    int n,m,i,j,op,x,y;
    cin>>n>>m;
    for(i=1; i<=n; i++)
        tip[i]=i;
    for(i=1; i<=m; i++)
    {
        cin>>op>>x>>y;
        if(op==1)
            join(x,y);
        else
        {
            if(tip[x]==tip[y])
                cout<<"DA";
            else
                cout<<"NU";
            cout<<'\n';
        }
    }
    return 0;
}