#include <cstdio>
#define Max 100001

int n,rad[Max];

int tata(int x)
{
    if(rad[x] != x)rad[x]=tata(rad[x]);
    return rad[x];
}

int main()
{
    int m,c,x,y;
    freopen("disjoint.in","r",stdin);
    freopen("disjoint.out","w",stdout);
        scanf("%d %d",&n,&m);
        for(int i=1;i<=n;i++)rad[i]=i;
        while(m--)
        {
            scanf("%d %d %d",&c,&x,&y);
            if(c==1)rad[tata(x)]=tata(y); else
            if(tata(x)==tata(y))printf("DA\n"); else printf("NU\n");
        }
    return 0;
}