#include <bits/stdc++.h>

using namespace std;

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

int n,m,v[501],op,x,y;

int main()
{
    in>>n>>m;
    for (int i=1; i<=n; i++){
        v[i]=i;
    }
    for (int i=1; i<=m; i++){
        in>>op>>x>>y;
        if (op==1){
            int aux=v[x];
            for (int j=1; j<=n; j++){
                if (v[j]==aux) v[j]=v[y];
            }
        }
        else {
            if (v[x]==v[y]) out<<"DA"<<'\n';
            else out<<"NU"<<'\n';
        }
    }
}