#include <fstream>

using namespace std;

ifstream cin("disjoint.in");
ofstream cout("disjoint.out");

int n, m, v[100005];

int findrep(int x) {
    int tx = x;
    while(tx != v[tx]) {
        tx = v[tx];
    }
    while(x != tx) {
        int nextx = v[x];
        v[x] = tx;
        x = nextx;
    }
    return tx;
}

int main()
{
    cin >> n >> m;
    for(int i = 1; i <= n; ++i) {
        v[i] = i;
    }
    for(int i = 1; i <= m; ++i) {
        int op, x, y;
        cin >> op >> x >> y;
        int tx = findrep(x);
        int ty = findrep(y);
        if(op == 1) {
            v[tx] = ty;
        } else {
            if(tx == ty) {
                cout << "DA\n";
            } else {
                cout << "NU\n";
            }
        }
    }
    return 0;
}