#include <fstream>
#define Nmax 100001
using namespace std;

ifstream f ("disjoint.in");
ofstream g ("disjoint.out");

int n, m, t[ Nmax ], h[ Nmax ];

void init ()
{
    for ( int i = 1; i <= n; ++ i )
    {
        t[ i ] = i;
        h[ i ] = 1;
    }
}

int multime ( int x )
{
    if ( t[ x ] == x )
        return x;

    t[ x ] = multime( t[ x ] );
    return t[ x ];
}

void unificare ( int x, int y )
{
    x = multime ( x );
    y = multime ( y );

    if ( h[ y ] > h[ x ] )
        t[ x ] = y;
    else
        t[ y ] = x;

    if ( h[ x ] == h[ y ] )
        h[ x ] ++;
}

void run ()
{
    int x, y, op;

    f >> n >> m;

    init ();

    for ( int i = 1; i <= m; ++ i )
    {
        f >> op >> x >> y;

        if ( op == 1 )
            unificare ( x, y );
        else
        {
            if ( multime( x ) == multime ( y ) )
                g << "DA" << endl;
            else
                g << "NU" << endl;
        }
    }

}

int main ()
{
    run();
    return 0;
}