#include <cstdio>
#define nmax 100000+5
using namespace std;

int tata[nmax];
int n;

int stramos(int initial)
{
    int curent = initial;
    while (curent != tata[curent])
    {
        curent = tata[curent];
        tata[initial] = curent;
    }
    return curent;
}

int main()
{
    freopen("disjoint.in", "r", stdin);
    freopen("disjoint.out", "w", stdout);

    int i, k, x;
    int a, b, op;

    scanf("%d%d", &n, &k);
    for (i = 1; i <= n; i++)
        tata[i] = i;

    for (i = 0; i < k; i++)
    {
        scanf("%d%d%d", &op, &a, &b);
        if (op == 1)
            tata[a] = tata[b];
        else if (op == 2)
        {
            x = (stramos(a) == stramos(b));
            if (x)
                printf("DA\n");
            else
                printf("NU\n");
        }
    }
    return 0;
}