#include <cstdio>

int parent[100001];

int Find(int target)
{
    int root = target, oldParent;

    while(parent[root] != root)
    {
        root = parent[root];
    }

    while(parent[target] != target)
    {
        oldParent = parent[target];

        parent[target] = root;

        target = oldParent;
    }

    return root;
}

void Union(int x, int y)
{
    parent[Find(y)] = Find(x);
}

int main()
{
    int sets, queries, task, x, y;

    freopen("disjoint.in", "r", stdin);
    freopen("disjoint.out", "w", stdout);

    scanf("%d %d", &sets, &queries);

    for(int i = 1; i <= sets; i++)
    {
        parent[i] = i;
    }

    for(int i = 1; i <= queries; i++)
    {
        scanf("%d %d %d", &task, &x, &y);

        if(task == 1)
        {
            Union(x, y);
        }
        else
        {
            printf("%s\n", (Find(x) == Find(y)) ? "DA" : "NU");
        }
    }

    return 0;
}