#include<fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int d[100001],t[100001];
int rep(int x)
{
    if(t[x]==0)
        return x;
    t[x]=rep(t[x]);
    return t[x];
}
int main()
{
    int n,m;
    fin>>n>>m;
    for(int i=1;i<=m;i++)
    {
        int op,x,y;
        fin>>op>>x>>y;
        if(op==1)
        {
            x=rep(x);
            y=rep(y);
            if(d[x]<d[y])
            {
                t[x]=y;
                d[x]++;
            }
            else if(d[y]>d[x])
            {
                t[y]=x;
                d[y]++;
            }
            else
            {
                t[x]=y;
                d[x]++;
                d[y]++;
            }
        }
        else
        {
            x=rep(x);
            y=rep(y);
            if(x==y)
                fout<<"DA\n";
            else fout<<"NU\n";
        }
    }
}