#include<fstream>
#include<iostream>
using namespace std;

ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
#define MAXN 100005

int n, m, par[MAXN], s[MAXN];

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

void Unite(int x, int y){
    if(s[x]==s[y]){
        par[x]=y;
        s[y]++;
    }
    if(s[x]>s[y]) par[y]=x;
    if(s[y]>s[x]) par[x]=y;
}

int main()
{
    fin>>n>>m;
    int op, x, y;
    for(int i=1; i<=n; ++i) par[i]=i;
    while(m--){
        fin>>op>>x>>y;
        if(op == 1) Unite(father(x), father(y));
        else
            fout<<(father(x)==father(y)?"DA\n":"NU\n");
    }
    return 0;
}