#include <iostream>
using namespace std;
int main(){
double a,b,c,d;
cin >> a >> b >> c >> d;
if( b>c && d>a && (c+d > b+a) && (c>0 && d >0) && ((int)a%2 ==0 ))
cout <<"Valores aceitos";
else
cout << "Valores nao aceitos";
return 0;
}