#include <fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");

int n,m;

int t[100005];

int rad(int val)
{
    while(t[val]>0)
    {
        val=t[val];
    }
    return val;
}


int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        t[i]=-1;
    }
    for(int i=1;i<=m;i++)
    {
        int op,x,y;
        fin>>op>>x>>y;
        if(op==1)
        {
            int rx = rad(x);
            int ry = rad(y);
            if(-t[rx]>-t[ry])
            {
                t[rx]+=t[ry];
                t[ry]=x;
            }
            else
            {
                t[ry]+=t[rx];
                t[rx]=y;
            }

        }
        else
        {
            (rad(y)==rad(x)) ? fout<<"DA" : fout<<"NU";
            fout<<'\n';
        }
    }
}