#include <bits/stdc++.h>
#define ll long long
#define all(a) (a).begin(), (a).end()
#define pi pair<int,int>
#define pii pair<pair<int,int>,int>
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#define sz() size()
#define fr first
#define sc second
#define pb push_back
#define er erase
#define in insert
#define mp make_pair
#define rc(s) return cout<<s,0
#define int long long
#define cin fin
#define cout fout
using namespace std;

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

int n,m,x,y,t,siz[100005],par[100005];

int finf(int x){
    if(x!=par[x]) x=finf(par[x]);
    return x;
}

void add(int a,int b){
    if(siz[a]<siz[b]) swap(a,b);
    int y=finf(a);
    par[b]=a;
    siz[a]+=siz[b];
}

void query(int a,int b){
    if(finf(a)==finf(b)) cout<<"DA"<<endl;
    else cout<<"NU"<<endl;
}


int32_t main(){
    ios_base::sync_with_stdio(0);cin.tie();cout.tie();
    cin >> n >> m;
    for(int i=1;i<=n;i++) par[i]=i;
    for(int i=1;i<=m;i++){
        cin >> t >> x >> y;
        if(t==1) add(x,y);
        else query(x,y);
    }
    return 0;
}