#include <iostream>
#include <stdio.h>

using namespace std;

int radacina(int x, int p[])
{
    while(p[x]!=x)
        x=p[x];
    return x;
}

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

    int x,y,op,p[100000]={0},n,m;
    bool ok;
    cin>>n>>m;

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

    }

    return 0;
}