#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))
        cout << "Valores aceitos" << endl;
    else    cout << "Valores nao aceitos" << endl;
    return 0;
}