#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <algorithm>
#define N 100001

using namespace std;

int T[N]; //vectorul de tati
int S[N]; //vector de sizes la apm, aici e vector de rang, echivalent 

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

	
int find(int x){
    while (x != T[x]) {
        x = T[x];
        find(x);
    }

    return x;
}

void connect(int x, int y)
 {  
    int T_X = find(x), T_Y = find(y);
    if (S[T_X] >= S[T_Y]) {
        T[T_Y] = T_X;
        S[T_X] += S[T_Y];
    } else {
        S[T_Y] += S[T_X];
        T[T_X] = T_Y;
    }
}

int main()
{
    int n, m, cod, x, y;
    fin>>n>>m;
    
    for (int i=1; i<=n; i++) {
        T[i] = i;
        S[i] = 1;
    }
    
    for (int i=1; i<=m; i++)
    {
        fin >> cod >> x >> y;
    
        if (cod == 1)
        {
            connect(x,y);
        }
        
        if(cod == 2)
        {
            if (find(x) == find(y))
            {
                fout<<"DA"<<endl;
            }
            else
            {
                fout<<"NU"<<endl;
            }
        }
	
    }

    
    return 0;
}