#include <stdio.h>
int t[100000];

int radacina(int x)
{
    if(t[x]==0) return x;
    t[x]=radacina(t[x]);
    return t[x];
}


int main()
{
    int n,m,i,x,y,cod;
    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",&cod,&x,&y);
        if(cod == 1)
            t[radacina(y)]=radacina(x);
        if(cod == 2)
            if(radacina(x)==radacina(y))
                printf("DA\n");
            else printf("NU\n");
    }
    return 0;
}