#include <cstdio>

using namespace std;
const int NMAX=100005;
int t[NMAX];
int h[NMAX];
int FindSet(int x)
{
    while(t[x]!=x)
        x=t[x];
    return x;
}
void UnionSet(int x,int y)
{
    if(h[x]==h[y])
    {
        t[y]=x;
        h[x]++;
    }
    else
        if(h[x]>h[y])
            t[y]=x;
        else
            t[x]=y;
}
int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    int n,m,i,tip,x,y;
    scanf("%d%d",&n,&m);
    for(i=1;i<=n;i++)
    {
        t[i]=i;
        h[i]=1;
    }
    for(i=1;i<=m;i++)
    {
        scanf("%d%d%d",&tip,&x,&y);
        if(tip==1)
            UnionSet(x,y);
        else
        {
            if(FindSet(x)==FindSet(y))
                printf("DA");
            else
                printf("NU");
            printf("\n");
        }
    }
    return 0;
}