#include <bits/stdc++.h>
#define ll long long
#define INF 0x3F3F3F3F
using namespace std;

const string fisier = "lgput";

ifstream fin (fisier + ".in");
ofstream fout (fisier + ".out");

const int N_MAX = 1e5 + 5;

int n , m , t[N_MAX];

int root (int x){
    while (x != t[x]){
        x = t[x];
    }
    return x;
}

void disjoint (int x , int y){
    int tx = root(x) , ty = root(y);
    if (tx != ty){
        t[tx] = ty;
    }
}

int main(){
    ios_base::sync_with_stdio(false);
    fin >> n >> m;
    for (int i=1; i<=n; i++){
        t[i] = i;
    }
    for (int i=1; i<=m; i++){
        int op , x , y; fin >> op >> x >> y;
        if (op == 2){
            fout << ((root(x) == root(y)) ? "DA" : "NU") << '\n';
        }
        if (op == 1){
            disjoint(x , y);
        }
    }
}