#include <bits/stdc++.h>

using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

int n, m;
int cod, x, y;
int t[100005], inalt[100005];
int rad(int nod){
    if(nod == t[nod]) return nod;
    int rnod = rad(t[nod]);
    t[nod] = rnod;
    return rnod;
}
void reuniune(){
    int rx = rad(x);
    int ry = rad(y);
    if(inalt[rx] > inalt[ry]){
        t[ry]=rx;
    }
    else if(inalt[rx] < inalt[ry]){
        t[rx]=ry;
    }
    else{
        t[ry]=rx;
        inalt[rx]++;
    }
}
bool interogare(){
    return (rad(x)==rad(y));
}
int main()
{
    fin>>n>>m;
    for(int i=1; i<=n; i++) t[i]=i;
    for(int i=1; i<=m; i++){
        fin>>cod>>x>>y;
        if(cod==1){
            reuniune();
        }
        else{
            if(interogare()) fout<<"DA\n";
            else fout<<"NU\n";
        }
    }

    return 0;
}