program dsf;
var f,g:text;
x,y,z,m,n,i,e1,e2:longint;
t,r:array[1..100001] of longint;
function tata(x:longint):longint;
begin
if t[x]<>x then
tata:=tata(t[x])
else
tata:=x;
end;
procedure uneste(x,y:longint);
  begin
     if (r[x]>r[y]) then t[y]:=x
     else t[x]:=y;
     if r[x]=r[y] then r[y]:=r[y]+1;
  end;
begin
assign(f,'disjoint.in'); reset(f);
assign(g,'disjoint.out'); rewrite(g);
readln(f,n,m);
   for i:=1 to n do
     begin
     t[i]:=i;
     r[i]:=1;
     end;
for i:=1 to m do
   begin
     readln(f,x,y,z);
     e1:=tata(y); e2:=tata(z);
        if x=1 then
         uneste(e1,e2)
         else if (e1=e2) then
            writeln(g,'DA')
            else
            writeln(g,'NU');
   end;
close(f);
close(g);
end.