#include <stdio.h>
#include <stdlib.h>
int v[100001];
int rad(int x)
{
    if(v[x]==0)
        return x;
    v[x]=rad(v[x]);
    return v[x];
}
int gasire(int x,int y)
{
    int rx,ry;
    rx=rad(x);
    ry=rad(y);
    return rx==ry;
}
void unificare(int x,int y)
{
    int rx,ry;
    rx=rad(x);
    ry=rad(y);
    v[ry]=rx;
}
int main()
{
    int n,m,q,a,b,i;
    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",&q,&a,&b);
        if(q==1)
            unificare(a,b);
        else
        {
            if(gasire(a,b)==1)
                printf("DA\n");
            else
                printf("NU\n");
        }
    }

    return 0;
}