#include <iostream>
#include <fstream>
#include <cstring>
#include <string>
#include <climits>
#include <algorithm>
#include <cmath>
using namespace std;

ifstream fin ("disjoint.in");
ofstream fout("disjoint.out");
#define MAX 100010

int a[MAX];

inline int gr(int l)
{
    if(a[l]!=l)
        a[l]=gr(a[l]);
    return a[l];
}

int main()
{
    int n, i, m, x, y, z;
    fin>>n;
    for(i=1;i<=n;i++)
    {
        a[i]=i;
    }
    fin>>m;
    for(i=1;i<=m;i++)
    {
        fin>>x>>y>>z;
        if(x==1)
        {
            a[gr(y)]=gr(z);
        }
        else
        {
            if(gr(y)==gr(z))
                fout<<"DA\n";
            else
                fout<<"NU\n";
        }
    }


    return 0;
}