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Cod sursa(job #838666)
#include <iostream>
#include <fstream>
using namespace std;
ifstream in("chatnoir.in");
ofstream out("chatnoir.out");
int f(int n, int m, int i, int j)
{
if(i<5 || j<5) return 1;
if(n-i<5 || m-j<5) return 1;
return 0;
}
int main()
{
int t,a,b,c,d,i;
in>>t;
for(i=0; i<t; i++)
{
in>>a>>b>>c>>d;
if(f(a,b,c,d)) out<<"DA\n";
else out<<"NU\n";
}
return 0;
}