#include <iostream>
#include <algorithm>
using namespace std;
int n,a[101],b[101];
int main()
{
cin>>n;
for(int i=0;i<n;i++)
cin>>a[i];
sort(a,a+n);
for(int i=0;i<n;i++)
cin>>b[i];
sort(b,b+n);
int proportional=1;
for(int i=1;i<n;i++)
if(a[i-1]*b[i]!=b[i-1]*a[i])
{
proportional=0;
break;
}
if(proportional)
cout<<"DA";
else
cout<<"NU";
return 0;
}