#include <bits/stdc++.h>

using namespace std;
ifstream in("disjoint.in");
ofstream out("disjoint.out");
int sef[100005];

int sefsup(int x){
    if(sef[x]==x)
        return x;
    else
        return sef[x]=sefsup(sef[x]);
}

void unite(int x, int y){
    int sefx=sefsup(x);
    int sefy=sefsup(y);
    sef[sefx]=sefy;
}

int main()
{
    int n,m,i,op,x,y;
    in>>n>>m;
    for(i=1;i<=n;++i)
        sef[i]=i;
    for(i=1;i<=m;++i){
        in>>op>>x>>y;
        if(op==1)
            unite(x,y);
        else
            if(sefsup(x)==sefsup(y))
                out<<"DA"<<'\n';
            else
                out<<"NU"<<'\n';
    }
    return 0;
}