#include <fstream>

using namespace std;

int v[100005];

int first(int a) {
    a = v[a];
    while(a != v[a])
        a = v[a];
    return a;
}

void mergeList(int a, int b) {
    int A = first(a);
    int B = first(b);
    v[A] = v[B];
}

int main()
{
    ifstream cn("disjoint.in");
    ofstream co("disjoint.out");
    int n, m;
    int x, y, t;
    cn >> n >> m;

    for(int i = 1; i <= n; i ++) {
        v[i] = i;
    }

    for(int i = 1; i <= m; i ++) {
        cn >> t >> x >> y;
        if(t == 1) mergeList(x, y);
        else {
            if(first(x) == first(y))
                co << "DA\n";
            else
                co << "NU\n";
        }
    }
    return 0;
}