#include<cstdio>
using namespace std;
int x,y,tip,x1,y1,n,m,i,t[100002];
int tata(int x)
{
    while(t[x]!=0)
        x=t[x];
    return x;
}
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",&tip);
        scanf("%d",&x);
        scanf("%d",&y);
        if(tip==1)
        {
            x1=tata(x);
            y1=tata(y);
            t[x1]=y1;
        }
        else
        {
            x1=tata(x);
            y1=tata(y);
            if(x1==y1)
                printf("DA\n");
            else
                printf("NU\n");
        }
    }
    return 0;
}