#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#define N 100001

int t[N], h[N];

int radacina(int x)
{
    if (t[x] == 0)
    {
        return x;
    }
    return radacina(t[x]);
}

void reuniune(int x, int y)
{
    int rx = radacina(x);
    int ry = radacina(y);
    if (h[rx] < h[ry])
    {
        t[rx] = ry;
    }
    else if (h[rx] > h[ry])
    {
        t[ry] = rx;
    }
    else
    {
        t[rx] = ry;
        h[ry]++;
    }
}

bool aceeasi_multime(int x, int y)
{
    return (radacina(x) == radacina(y));
}

int main()
{
    FILE *in, *out;
    in = fopen("disjoint.in", "r");
    out = fopen("disjoint.out", "w");
    int n, m, i;
    fscanf(in, "%d%d", &n, &m);
    for (i = 0; i < m; i++)
    {
        int tip, x, y;
        fscanf(in, "%d%d%d", &tip, &x, &y);
        if (tip == 1)
        {
            reuniune(x, y);
        }
        else
        {
            if (aceeasi_multime(x, y))
            {
                fprintf(out, "DA\n");
            }
            else
            {
                fprintf(out, "NU\n");
            }
        }
    }
    fclose(in);
    fclose(out);
    return 0;
}