#include <cstdio>
#define DIM 100003
using namespace std;
FILE *fin=freopen("disjoint.in","r",stdin);
FILE *fout=freopen("disjoint.out","w",stdout);

int Father[DIM];
int n, m;

void Read()
{
    scanf("%d %d", &n, &m);
    for(int i = 1; i <= n; ++i)
        Father[i] = i;
}

int Group(int x)
{
    for(; x != Father[x]; x = Father[x]);
    return x;
}

void Unite(int x, int y)
{
    Father[Group(x)] = Group(y);
}

void Solve()
{
    int op, x, y;
    for(int i = 1; i <= m; ++i)
    {
        scanf("%d %d %d ", &op, &x, &y);
        if(op == 1)
            Unite(x, y);
        else
        {
            if( Group(x) == Group(y) )
                printf("DA\n");
            else
                printf("NU\n");
        }
    }
}

int main()
{
    Read();
    Solve();
    return 0;
}