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#include<stdio.h>
int n,m,x,y,z,p[100001],r[100001];
int F(int x)
{
for(;p[x]!=x;x=p[x]);
return x;
}
int main()
{
freopen("disjoint.in","r",stdin),freopen("disjoint.out","w",stdout),scanf("%d%d",&n,&m);
for(x=1;x<=n;x++)
p[x]=x;
while(m--)
{
scanf("%d%d%d",&x,&y,&z),y=F(y),z=F(z);
if(x==1)
{
if(r[y]>r[z])
p[z]=y;
else
p[y]=z;
if(r[y]==r[z])
r[z]++;
}
else
printf("%s\n",y==z?"DA":"NU");
}
}