#include<algorithm>
using namespace std;

#define DIM 100005

int r[DIM],t[DIM],n;
int find (int &x)
{
    if(x != t [x])
    x= find( t[ x ] ); 
    return t[x] ;
}
void unite (int x,int y)
{
    if(r[x]>r[y])
    {
        unite(y,x);
        return ;
    }
    r[y]+=r[x];
    t[x]=y;
}
int main ()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    int i,m,q,x,y;
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;++i)
        t[i]=i;
    for(i=1;i<=m;++i)
    {
        scanf("%d%d%d",&q,&x,&y);
        if(q==1)
            unite (find(x),find(y));
        else
        {
            if(find(x)==find(y))
                printf("DA\n");
            else
                printf("NU\n");
        }
    }
    return 0;
}