#include <fstream>
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int n,m,i,val,x,y,ff[100005],rg[100005];
int rad(int x)
{
    int y,z;
    for (y=ff[x];y!=ff[y];y=ff[y]);
        while(x!=ff[x])
        {
            z=ff[x];
            ff[x]=y;
            x=z;
        }
    return y;
}
int unite(int x, int y)
{
    if (rg[x]>rg[y])
        ff[y]=ff[x];
    else ff[x]=ff[y];
    if (rg[x]==rg[y]) rg[y]++;
}
int main ()
{
    f>>n>>m;
    for (i=1;i<=n;i++)
    {
        ff[i]=i;
        rg[i]=1;
    }
    for (i=1;i<=m;i++)
    {
        f>>val>>x>>y;
        if (val==1) unite(rad(x),rad(y));
        else
        {
            if (rad(x)==rad(y)) g<<"DA\n";
            else g<<"NU\n";
        }
    }
}