#include <stdio.h>

#define Nmax 100001

int n,m,mul[Nmax],op,r[Nmax],x,y;

void unesc(int x,int y)
{
    if(r[x]>r[y])
        mul[y]=x;
    else
        mul[x]=y;
    if(r[x]==r[y])    
        ++r[y];                
}

int find(int x)
{
    if(mul[x]==x)
        return x;
    else
        mul[x]=find(mul[x]);
    return mul[x];
}

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