#include <fstream>

using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int i,m,n,T[100010],A[100010],B[100010],x,y,a,b,c;
int main()
{
    f>>n>>m;
    for(i=1;i<=n;i++)
        T[i]=i;
    for(;m;m--)
    {
        f>>c>>x>>y;
        for(;T[x]-x;x=T[x])A[++a]=x;
        for(;T[y]-y;y=T[y])B[++b]=y;
        for(;a;)T[A[a--]]=x;
        for(;b;)T[B[b--]]=y;
        if(c==1)T[x]=y;
        else if(x==y)g<<"DA\n";
        else g<<"NU\n";
    }

    return 0;
}