#include<fstream>
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
#define nmax 100010
int n,m,t[nmax];
int rad(int x)
{
    if(t[x]==0)
    {
        return x;
    }
    else
    {
        return rad(t[x]);
    }
}
void cit()
{
    int op,x,y,r1,r2;
    f>>n>>m;
    for(int i=1;i<=m;i++)
    {
        f>>op;
        f>>x>>y;
        r1=rad(x);
        r2=rad(y);
        if(op==1)
        {
            t[r2]=r1;
        }
        else
        {
            if(r1==r2)
                g<<"DA\n";
            else
                g<<"NU\n";
        }
    }
}
int main()
{
    cit();
    return 0;
}