1.
#include <iostream>
using namespace std;
int main()
{
int n;
cin >> n;
if (n % 2 == 0 && n % 7 == 0)
{
cout << "DA";
}
else
{
cout << "NU";
}
return 0;
}
2.
#include <iostream>
using namespace std;
int main()
{
int n;
cin >> n;
if (n > -10 && n < 1000)
{
cout << "DA";
}
else
{
cout << "NU";
}
return 0;
}