#include <cstdio>

using namespace std;
//ifstream in("disjoint.in");
//ofstream out("disjoint.out");
int sef[100005];
inline int sefsup(int x)
{
    if(sef[x]==x)
        return x;
    else
        return sef[x]=sefsup(sef[x]);
}
void unire(int x, int y)
{
    int sefsx=sefsup(x),sefsy=sefsup(y);
    sef[sefsy]=sefsx;
}

int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    int n,m,i,tip,a,b;
    scanf("%d %d", &n, &m);
    for(i=1;i<=n;i++)
        sef[i]=i;
    for(i=1;i<=m;i++)
    {
        scanf("%d %d %d",&tip, &a, &b);
        if(tip==1)
            unire(a,b);
        if(tip==2)
        {
              if(sefsup(a)==sefsup(b))
                {
                        printf("DA\n");
                }
              else
                printf("NU\n");
        }
    }
    return 0;
}