#include <cstdio>

int n,m,i,op,x,y,r1,r2,t[100005];

int radacina(int x)
{
    if (t[x]==x) return x;
        else return t[x]=radacina(t[x]);
}

int main()
{
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
    scanf("%d%d",&n,&m);
    for (i=1; i<=n; i++)
        t[i]=i;
    for (i=1; i<=m; i++)
    {
        scanf("%d%d%d",&op,&x,&y);
        if (op==1)
        {
            r1=radacina(x);
            r2=radacina(y);
            if (r1!=r2)
            {
                if (r1<r2) t[r2]=r1;
                    else if (r2<r1) t[r1]=r2;
            }
        }
        else
        {
            r1=radacina(x);
            r2=radacina(y);
            if (r1==r2) printf("DA\n");
                else printf("NU\n");
        }
    }
    return 0;
}