#include <stdio.h>
#include <stdlib.h>
#define MAXN 1000000

#define BUF_SIZE 16384
char buf[BUF_SIZE];
int pbuf=BUF_SIZE;
FILE*fi,*fo;
inline char nextch(){
    if(pbuf==BUF_SIZE){
        fread(buf, BUF_SIZE, 1, fi);
        pbuf=0;
    }
    return buf[pbuf++];
}
inline long long nextnum(){
    long long a=0;
    char c=nextch();
    while((c<'0' || c>'9') && c!='-')
        c=nextch();
    int semn=1;
    if(c=='-'){
        semn=-1;
        c=nextch();
    }
    while('0'<=c && c<='9'){
        a=a*10+c-'0';
        c=nextch();
    }
    return a*semn;
}

int father[100001];
inline void Union(int x, int y){
    father[y]=x;
}
inline int Find(int x){
    if(father[x]==0)
        return x;
    int y=Find(father[x]);
    father[x]=y;
    return y;
}

int main(){
    fi=fopen("disjoint.in","r");
    fo=fopen("disjoint.out","w");
    int n=nextnum(), m=nextnum();
    for(int i=0;i<m;i++){
        int c=nextnum(), x=nextnum(), y=nextnum();
        if(c==1)
            Union(Find(x), Find(y));
        else{
            if(Find(x)==Find(y))
                fprintf(fo,"DA\n");
            else
                fprintf(fo,"NU\n");
        }
    }
    fclose(fi);
    fclose(fo);
    return 0;
}