#include <fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

int n,m;

int t[100005];

int rad(int val)
{
    if(t[val]==0)
        return val;
    return rad(t[val]);
}


int main()
{
    fin>>n>>m;

    for(int i=1;i<=m;i++)
    {
        int op,x,y;
        fin>>op>>x>>y;
        if(op==1)
        {
            if(x<y)
                swap(x,y);
            t[rad(y)]=rad(x);
        }
        else
        {
            (rad(y)==rad(x)) ? fout<<"DA" : fout<<"NU";
            fout<<'\n';
        }
    }
}