#include <bits/stdc++.h>

using namespace std;

const string file="disjoint";
ifstream fin(file+".in");
ofstream fout(file+".out");

int a[100001];
int get_par(int i)
{
    if (i==a[i])return i;
    a[i]=get_par(a[i]);
    return a[i];
}
void join(int x, int y)
{
    x=get_par(x), y=get_par(y);
    a[x]=a[y];
}
int main()
{
    int n, m;
    fin>>n>>m;
    for (int i=1; i<=n; ++i)a[i]=i;
    while (m--){
        int c, x, y;
        fin>>c>>x>>y;
        if (c==1){
            join(x, y);
        } else {
            fout<<(get_par(x)==get_par(y) ? "DA\n" : "NU\n");
        }
    }
    return 0;
}