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#include<fstream>
using namespace std;
ifstream F("nim.in");
ofstream G("nim.out");
#define Z 2048
int c,n,i,j,p=Z,q;
char s[Z],t[Z];
char B()
{
if(p==Z)
F.read(s,Z),p=0;
return s[p++];
}
int A()
{
int n=0;
char c;
for(c=B();!isdigit(c);c=B());
for(;isdigit(c);n=n*10+c-48,c=B());
return n;
}
void D()
{
if(q==Z)
G.write(t,Z),q=0;
}
int main()
{
for(c=A();c--;j?t[q++]='D',D(),t[q++]='A',D():(t[q++]='N',D(),t[q++]='U',D()),t[q++]='\n',D())
for(n=A(),j=0;n--;i=A(),j^=i);
return G.write(t,q),0;
}