#include <iostream>
using namespace std;
int main() {
int A, B, C, D;
cin>> A>>B>>C>>D;
if(B>C&&D>A&&((C+D) >(A+B)) &&C>0&&D>0&&A%2==0)
cout<<"Valores aceitos \n " ;
else
cout<<"Valores nao aceitos \n" ;
}
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