#include<cstdio>
using namespace std;
int t[100003];
int radacina(int x)
{
    if (t[x]==0) return x;
    int r=radacina(t[x]);
    t[x]=r;
    return r;
}
int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    int n,m,i,j,k,l,a,b,c;
    scanf("%d%d",&n,&m);
    for(i=1;i<=m;i++)
    {
        scanf("%d%d%d",&a,&b,&c);
        if (a==2)
        {
            if (t[b]==t[c]) printf("DA\n");
            else printf("NU\n");
        }
        else
        {
           t[radacina(c)]=radacina(b);
        }
    }
    return 0;
}