#include <fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
int n,m;
const int Nmax=100005;
int TT[Nmax],RG[Nmax];

void unite(int x,int y)
{
    if(RG[x]>RG[y])
        TT[y]=x;
    if(RG[x]<RG[y])
    TT[x]=y;
    if(RG[x]==RG[y])
    {
        TT[x]=y;
        RG[y]++;
    }
}
int find(int x)
{
    while(x!=TT[x])
        x=TT[x];

    return x;
}


int main()
{
    fin>>n>>m;
    for(int i=1;i<=n;i++)
    {
        TT[i]=i;
        RG[i]=1;
    }
    int x,y,cod;
    for(int i=1;i<=m;i++)
    {fin>>cod>>x>>y;
    if(cod==1)
        unite(x,y);
    else
        if(find(x) == find(y))
            fout<<"DA\n";
        else
            fout<<"NU\n";
    }
}