#include <stdio.h>

#define DIM 100005

int p[DIM],r[DIM];
int n,m;

void init ()
{
    int i;

    scanf ("%d%d",&n,&m);
    for (i=1; i<=n; ++i)
        p[i]=i;
}

void unite (int x,int y)
{
    if (r[x]<r[y])
        p[x]=y;
    else
        p[y]=x;
    if (r[x]==r[y])
        ++r[x];
}

int find (int x)
{
    if (x!=p[x])
        p[x]=find (p[x]);
    return p[x];
}

void solve ()
{
    int i,tip,x,y;

    for (i=1; i<=m; ++i)
    {
        scanf ("%d%d%d",&tip,&x,&y);
        if (tip==1)
            unite (find (x),find (y));
        else
            if (find (x)==find (y))
                printf ("DA\n");
            else
                printf ("NU\n");
    }
}

int main ()
{
    freopen ("disjoint.in","r",stdin);
    freopen ("disjoint.out","w",stdout);

    init ();
    solve ();

    return 0;
}