#include <iostream>
#include <cstdio>
#define N 100005

using namespace std;

int t[N];
int x, y, op, n, m;

void adaug(int x, int y)
{
    if(t[x]!=t[y])
    {
        int r1=t[x], r2=t[y], nr1=0, nr2=0;
        while(r1!=t[r1])
                r1=t[r1], nr1++;
        while(r2!=t[r2])
                r2=t[r2], nr2++;
        if(nr1<nr2)
            t[r1]=r2;
        else
            t[r2]=r1;
    }
}

int multime(int x, int y)
{
    int r1=t[x], r2=t[y];
    while(r1!=t[r1])
            r1=t[r1];
    while(r2!=t[r2])
            r2=t[r2];
    return (r1==r2);
}

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

    scanf("%d %d\n", &n, &m);
    for(int i=1;i<=n;i++)
        t[i]=i;
    for(int i=0;i<m;i++)
    {
        scanf("%d %d %d\n", &op, &x, &y);
        if(op==1)
            adaug(x, y);
        else
            if(multime(x, y))
                printf("DA\n");
            else
                printf("NU\n");
    }
    return 0;
}