#include <cstdio>

using namespace std;

int v[100005];

int tata(int f)
{
    int ff=f;
    while(f!=v[f])
        f=v[f];

    int tmp;
    while(ff!=f)
    {
        tmp=v[ff];
        v[ff]=f;
        ff=tmp;
    }
    return f;
}

int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    int n,q,x,y,p;

    scanf("%d %d",&n,&q);

    for(int i=1;i<=n;++i)
        v[i]=i;

    for(int i=1;i<=q;++i)
    {
        scanf("%d",&p);
        scanf("%d %d",&x,&y);
        if(p==1)
        {
            v[tata(x)]=tata(y);
        }
        else
        {
            if(tata(x)==tata(y))
                printf("DA\n");
            else
                printf("NU\n");
        }
    }
    return 0;
}