#include <fstream>
#define Nmax 100010
using namespace std;
ifstream cin("disjoint.in");
ofstream cout("disjoint.out");
int n,m;
int t[Nmax];
int h[Nmax];
int find(int x)
{   while(x!=t[x]) x=t[x];
    return x;
}
void uneste(int x,int y)
{   t[x]=y;
}
int main()
{   cin>>n>>m;
    for(int i=1;i<=n;i++) {t[i]=i; h[i]=1;}
    for(int op,x,y;m;--m)
    {   cin>>op>>x>>y;
        if(op==2)
            if(find(x)==find(y)) cout<<"DA\n"; else cout<<"NU\n";
        else
            uneste(find(x),find(y));
    }
    return 0;
}