#include<fstream>
using namespace std;
ifstream f("disjoint.in");
ofstream g("disjoint.out");
int i,n,m,op,x,y,t[1001000],rang[100100];
int gaseste(int x)
{
    int z,y;
    for(y=x;y!=t[y];y=t[y]);
    for(;t[x]!=x;)
    {
        z=t[x];
        t[x]=y;
        x=z;
    }
    return y;
}
void uneste(int x,int y)
{
    if(rang[x]>rang[y])
    {
        t[y]=x;
    }
    else
    t[x]=y;
    if(rang[x]==rang[y])
    ++rang[y];
}
int main()
{
    f>>n>>m;
    for(i=1;i<=n;++i)
    {
        rang[i]=1;
        t[i]=i;
    }
    for(i=1;i<=m;++i)
    {
        f>>op>>x>>y;
        if(op==1)
        {
            uneste(gaseste(x),gaseste(y));
        }
        else
        {
            if(gaseste(x)==gaseste(y))
            {
                g<<"DA\n";
            }
            else
            {
                g<<"NU\n";
            }
        }
    }
    return 0;
}