#include<stdio.h>
int t [100001],op,x,y,i,n,m;
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);
    scanf("%d%d",&n,&m);
    for(i=1;i<=m;i++)
    {
        scanf("%d%d%d",&op,&x,&y);
        if(op==1)
        {
            t[x]=y;
        }
        else
        {
            if(radacina(x)==radacina(y))
                printf("DA\n");
            else
                printf("NU\n");
        }
    }
   // for(i=1;i<=n;i++)
     //   printf("%d ",t[i]);
    return 0;
}