#include <cstdio>
using namespace std;

int n,m;

struct nod
{
    nod *u;
}*a[100000];

void init()
{
    for(int i=0;i<n;++i)
    {
        a[i]=new nod;
        a[i]->u='\0';
    }
}

int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    scanf("%d%d",&n,&m);
    init();
    int x,y,e;
    nod *px,*py,*p,*p1;
    while(m)
    {
        --m;
        scanf("%d%d%d",&e,&x,&y);
        --x;--y;
        px=a[x];
        py=a[y];
        while(px->u) px=px->u;
        while(py->u) py=py->u;
        if(e==1) py->u=px;
        else
        {
            p=a[x];
            p1=a[x]->u;
            while(p1)
            {
                p->u=px;
                p=p1;
                p1=p1->u;
            }
            p=a[y];
            p1=a[y]->u;
            while(p1)
            {
                p->u=py;
                p=p1;
                p1=p1->u;
            }
            if(px==py) printf("DA\n");
            else printf("NU\n");
        }
    }
    return 0;
}