#include<fstream>
using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int v[100002],val;
int sef(int a)
{
    if(v[a]==a)
        return a;
    else
    {
        return v[a]=sef(v[a]);
    }
}
void unific(int a,int b)
{
    int s1,s2;
    s1=sef(a);
    s2=sef(b);
    v[s2]=s1;
}

int main()
{
    int i,n,m,j,op,x,y;
    cin>>n>>m;
    for(i=1;i<=n;i++)
        v[i]=i;
    for(i=1;i<=m;i++)
    {
        cin>>op>>x>>y;
        if(op==1)
        {
            unific(x,y);
        }
        else
        {
            if(sef(x)!=sef(y))
                cout<<"NU"<<"\n";
            else
                cout<<"DA"<<"\n";
        }
    }
    return 0;
}