#include <fstream>
using namespace std;
ifstream fin("disjoint.in");
ofstream fout("disjoint.out");
const int MAX = 100000;
int arr[MAX];
void op1(int x, int y,int n) {
if (arr[x] != arr[y]) {
int a = arr[y];
for (int i=1; i<=n; i++) {
if (arr[i] == a) {
arr[i] = arr[x];
}
}
}
}
void op2(int x, int y,int n) {
if (arr[y] == arr[x]) {
fout<<"DA"<<'\n';
} else {
fout<<"NU"<<'\n';
}
}
int main() {
int n,m;
fin>>n>>m;
for (int i = 1; i <= n; i++) {
arr[i]=i;
}
int type,x,y;
for(int i=0;i<m;i++) {
fin>>type>>x>>y;
if (type == 1) {
op1(x,y,n);
} else {
op2(x,y,n);
}
}
return 0;
}