#include
using namespace std;
int main()
{
unsigned n,i,s,m,p,d,ma,sp;
cin>>n;
s=0;
p=1;
d=0;
ma=1;
sp=0;
for(i=1;i<=n;i++)
{
cin>>m;
if(m%2==1)
s=s+m;
if(m>0)
{ p=p*m;
sp=sp+m;
}
if(m%7==0)
d=d+1;
ma=ma+m;
}
cout<cout<
cout<cout<if((sp%10)%3==0)
cout<<"Da";
else cout<<"Nu";
return 0;
}